diff --git a/.gitignore b/.gitignore
index 5139e38..2577c55 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,5 @@ jruby4max.jar
 out
 *.iml
 .idea
+.project
+.classpath
diff --git a/Rakefile b/Rakefile
index 9b77b30..9f3c847 100644
--- a/Rakefile
+++ b/Rakefile
@@ -2,9 +2,9 @@ require 'rake/clean'
 require 'tempfile'
 require 'rbconfig'
 
-PROJECT_VERSION = '1.0.2'
+PROJECT_VERSION = '1.0.3'
 BUILD_DATE = Time.now.utc.strftime '%B %d, %Y (%H:%M GMT)'
-MANIFEST = 
+MANIFEST =
 "Library: JRuby for Max
 Version: #{PROJECT_VERSION}
 Built-Date: #{BUILD_DATE}
@@ -31,7 +31,7 @@ TESTS     = FileList['test/**/*.java']
 CLASSPATH = FileList["#{LIB}/**/*.jar"].exclude(/^#{JAR}$/)
 TESTS_CLASSPATH = CLASSPATH.clone.add(BUILD)
 
-WINDOWS = Config::CONFIG['host_os'] =~ /mswin/
+WINDOWS = RbConfig::CONFIG['host_os'] =~ /mswin/
 CLASSPATH_SEPARATOR = if WINDOWS then ';' else ':' end
 
 ##############################################################################
@@ -60,14 +60,14 @@ task :package => [:jar] do
   puts "Preparing distribution"
   package_lib = File.join PACKAGE,'lib'
   mkdir_p package_lib
-  
+
   # Collect the files
   FileList['*.txt', '*.example'].each do |filename|
     cp filename, PACKAGE
   end
   FileList["#{LIB}/jruby.jar", JAR_FILE].each do |filename|
     cp filename, package_lib
-  end  
+  end
   cp_r PATCHES, PACKAGE
   cp_r LICENSE, PACKAGE
 end
@@ -125,7 +125,7 @@ end
 
 def javac classpath, src_files, dst_folder
   mkdir_p dst_folder
-  `javac -classpath #{classpath.join CLASSPATH_SEPARATOR} -d #{dst_folder} -g -source 1.5 -target 1.5 #{src_files}`
+  `javac -classpath #{classpath.join CLASSPATH_SEPARATOR} -d #{dst_folder} -g #{src_files} -Xlint:deprecation`
 end
 
 def jar filename, manifest, dst_folder
@@ -144,8 +144,7 @@ class FileList
         File.open(filename, 'w') do |io|
           io.write contents
         end
-      end    
+      end
     end
   end
 end
-
diff --git a/jruby_for_max.properties b/jruby_for_max.properties
new file mode 100644
index 0000000..8fe9fd0
--- /dev/null
+++ b/jruby_for_max.properties
@@ -0,0 +1,31 @@
+#############################
+# Options for JRuby for Max #
+#############################
+
+# To use:
+# - Rename this file to jruby_for_max.properties
+# - Put it on the Max file search path
+# - Restart Max (and restart again each time you change this file)
+
+
+ruby.loadpaths =
+# A semicolon-separated list of absolute paths to append to the default $LOAD_PATH.
+# You can use this to add gems or other projects installed elsewhere.
+# Default value is nothing.
+
+jruby.home = /Users/javier/.rvm/rubies/jruby-9.2.7.0
+# If you want to install a lot of gems: instead of adding a loadpath for each one,
+# you can install them into a separate jruby installation and set jruby.home to
+# run against that jruby instead of the built-in one.
+# This variable is not set by default.
+
+gem.home = /Users/javier/.rvm/gems/jruby-9.2.7.0@global
+# GEM locations where to install new gems
+
+gem.path = /Users/javier/.rvm/gems/jruby-9.2.7.0@global
+# GEM locations where to find them to use them
+
+ruby.initializers = jruby_initialize.rb
+# A semicolon-separated list of files.
+# These files will be run in the order listed whenever a new jruby context is initialized.
+# Default value is jruby_initialize.rb
diff --git a/jruby_for_max.properties.example b/jruby_for_max.properties.example
index 3fad93f..77b946e 100644
--- a/jruby_for_max.properties.example
+++ b/jruby_for_max.properties.example
@@ -15,14 +15,18 @@ ruby.loadpaths =
 
 
 # jruby.home = /Users/adam/lib/jruby-1.5.5
-# If you want to install a lot of gems: instead of adding a loadpath for each one, 
+# If you want to install a lot of gems: instead of adding a loadpath for each one,
 # you can install them into a separate jruby installation and set jruby.home to
 # run against that jruby instead of the built-in one.
 # This variable is not set by default.
 
+# gem.home = /Users/javier/.rvm/gems/jruby-9.2.7.0@global
+# GEM locations where to install new gems
 
+# gem.path = /Users/javier/.rvm/gems/jruby-9.2.7.0@global
+# GEM locations where to find them to use them
 
 ruby.initializers = jruby_initialize.rb
-# A semicolon-separated list of files. 
+# A semicolon-separated list of files.
 # These files will be run in the order listed whenever a new jruby context is initialized.
 # Default value is jruby_initialize.rb
diff --git a/jruby_for_max/lib/jruby_initialize.rb b/jruby_for_max/lib/jruby_initialize.rb
index 97da3ca..7984cf8 100644
--- a/jruby_for_max/lib/jruby_initialize.rb
+++ b/jruby_for_max/lib/jruby_initialize.rb
@@ -89,7 +89,7 @@ def bang
 
 # Sets the tooltips for the inlets of this [mxj jruby] object
 def inlet_assist(*params)
-  $max_object.setInletAssist params.to_java(:string)  
+  $max_object.setInletAssist params.to_java(:string)
 end
 
 # Sets the tooltips for the outlets of this [mxj jruby] object
@@ -112,7 +112,7 @@ def max_object(namespace=nil)
     context = $max_object.context
     id = names[0]
   end
-  $max_object_map[context][id]    
+  $max_object_map[context][id]
 end
 
 
@@ -121,25 +121,25 @@ def max_object(namespace=nil)
 
 # Print the arguments to the Max console separated by newlines
 def puts(*params)
-  yield_atoms(*params) {|atom| java.lang.System.out.println(atom)}
+  yield_atoms(*params) {|atom| $max_object.getSystemOut.println(atom) }
   nil
-end  
+end
 
 # Prints the arguments to the Max console
 def print(*params)
-  yield_atoms(*params) {|atom| java.lang.System.out.print(atom)}
+  yield_atoms(*params) {|atom| $max_object.getSystemOut.print(atom) }
   nil
-end  
+end
 
 # Prints an error message to the Max console
 def error(*params)
-  yield_atoms(*params) {|atom| java.lang.System.err.println(atom)}
+  yield_atoms(*params) {|atom| $max_object.getSystemErr.println(atom) }
   nil
 end
 
 # Flush the Max console, use after print()
 def flush
-  java.lang.System.out.println
+  $max_object.getSystemOut.println
   nil
 end
 
@@ -171,4 +171,3 @@ def yield_atoms( *params, &block )
     end
   end
 end
-
diff --git a/lib/jruby.jar b/lib/jruby.jar
index b844569..ac344c5 100644
Binary files a/lib/jruby.jar and b/lib/jruby.jar differ
diff --git a/lib/max.jar b/lib/max.jar
index 70561cb..0e1b8df 100644
Binary files a/lib/max.jar and b/lib/max.jar differ
diff --git a/src/jruby4max/maxsupport/JRubyMaxObject.java b/src/jruby4max/maxsupport/JRubyMaxObject.java
index 23a8dd2..e38ca05 100644
--- a/src/jruby4max/maxsupport/JRubyMaxObject.java
+++ b/src/jruby4max/maxsupport/JRubyMaxObject.java
@@ -1,5 +1,7 @@
 package jruby4max.maxsupport;
 
+import java.io.PrintStream;
+
 /*
 Copyright (c) 2008, Adam Murray (adam@compusition.com). All rights reserved.
 
@@ -31,14 +33,11 @@ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 import com.cycling74.max.Executable;
 import com.cycling74.max.MaxObject;
 import com.cycling74.max.MaxQelem;
+
 import jruby4max.rubysupport.IdInUseException;
 import jruby4max.rubysupport.MaxRubyAdapter;
-import jruby4max.rubysupport.RubyProperties;
 import jruby4max.util.Logger;
 import jruby4max.util.Utils;
-import org.jruby.CompatVersion;
-
-import java.io.PrintStream;
 
 /**
  * Superclass for objects that support Ruby scripting.
@@ -51,9 +50,6 @@ public abstract class JRubyMaxObject extends MaxObject implements Logger {
 	protected String id = defaultId();
 	private boolean autoinit = false;
 
-	protected Atom[] rubyVersionValue = Atom.newAtom( new String[]{ RubyProperties.DEFAULT_RUBY_VERSION_STRING } );
-	protected CompatVersion rubyVersion = RubyProperties.DEFAULT_RUBY_VERSION;
-
 	protected MaxRubyAdapter ruby;
 
 	protected JRubyMaxObject self = this;
@@ -77,7 +73,6 @@ public JRubyMaxObject() {
 		declareAttribute( "context", "getcontext", "context" );
 		declareAttribute( "id", "getid", "id" );
 		declareAttribute( "autoinit" );
-		declareAttribute( "ruby_version", "getruby_version", "ruby_version" );
 	}
 
 	private final MaxQelem getInitializerQelem() {
@@ -101,12 +96,12 @@ protected class DefaultRubyInitializer implements Executable {
 		public void execute() {
 			initialized = true;
 			try {
-				ruby = new MaxRubyAdapter( self, context, id, rubyVersion );
+				ruby = new MaxRubyAdapter( self, context, id );
 			} catch(IdInUseException e) {
 				String availableId = e.getMessage();
 				error( "id " + id + " not available. Using: " + availableId );
 				id = availableId;
-				ruby = new MaxRubyAdapter( self, context, id, rubyVersion );
+				ruby = new MaxRubyAdapter( self, context, id );
 			}
 			if( autoinit ) {
 				ruby.init();
@@ -171,6 +166,14 @@ public void info( String message, boolean force ) {
 	public void err( String message ) {
 		error( this.getClass().getName() + ": " + message );
 	}
+	
+	public PrintStream getSystemOut() {
+		return System.out;
+	}
+	
+	public PrintStream getSystemErr() {
+		return System.err;
+	}
 
 	public String toString() {
 		return getClass().getName() + "#<" + Integer.toHexString( hashCode() ) + ">";
@@ -221,27 +224,4 @@ public void id( Atom[] params ) {
 	private String defaultId() {
 		return Integer.toHexString( hashCode() );
 	}
-
-	public Atom[] getruby_version() {
-		return rubyVersionValue;
-	}
-
-  // Using Atom[] is annoying but it avoids an annoying warning in the max menu "coerced float to String" when doing @ruby_version 1.9
-  public void ruby_version(Atom[] rubyVersionValue) {
-    if (initialized) {
-      err("ruby_version cannot be changed. Use @ruby_version when creating the object.");
-      return;
-    }
-    if (rubyVersionValue == null || rubyVersionValue.length < 1) return;
-
-    String rubyVersionString = rubyVersionValue[0].toString();
-    // @ruby_version 1.9 comes through as "1.900000" so we have to chop off the trailing zeros
-    rubyVersionString = rubyVersionString.replaceFirst("(.*?)0+", "$1");
-
-    CompatVersion rubyVersion = RubyProperties.getRubyVersion(rubyVersionString);
-    if (rubyVersion != null) {
-      this.rubyVersion = rubyVersion;
-      this.rubyVersionValue = Atom.newAtom(new String[]{rubyVersionString});
-    } else err("Invalid ruby_version '" + rubyVersionString + "'. Only 1_8 and 1_9 supported.");
-  }
 }
diff --git a/src/jruby4max/rubysupport/IScriptEvaluator.java b/src/jruby4max/rubysupport/IScriptEvaluator.java
index 7fa972f..29e9c84 100644
--- a/src/jruby4max/rubysupport/IScriptEvaluator.java
+++ b/src/jruby4max/rubysupport/IScriptEvaluator.java
@@ -49,6 +49,6 @@ public interface IScriptEvaluator {
 	void setScriptFile( File scriptFile );
 
 	Object eval( CharSequence rubyCode );
-
+	
 	void exit();
 }
diff --git a/src/jruby4max/rubysupport/MaxRubyAdapter.java b/src/jruby4max/rubysupport/MaxRubyAdapter.java
index 0930f55..d851732 100644
--- a/src/jruby4max/rubysupport/MaxRubyAdapter.java
+++ b/src/jruby4max/rubysupport/MaxRubyAdapter.java
@@ -1,5 +1,13 @@
 package jruby4max.rubysupport;
 
+import java.io.File;
+import java.io.IOException;
+import java.math.BigInteger;
+
+import org.jruby.RubyArray;
+import org.jruby.RubyHash;
+import org.jruby.RubySymbol;
+
 /*
 Copyright (c) 2008, Adam Murray (adam@compusition.com). All rights reserved.
 
@@ -29,19 +37,12 @@ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 
 import com.cycling74.max.Atom;
 import com.cycling74.max.MaxObject;
+
 import jruby4max.maxsupport.Atomizer;
 import jruby4max.util.GlobalVariableStore;
 import jruby4max.util.LineBuilder;
 import jruby4max.util.Logger;
 import jruby4max.util.Utils;
-import org.jruby.CompatVersion;
-import org.jruby.RubyArray;
-import org.jruby.RubyHash;
-import org.jruby.RubySymbol;
-
-import java.io.File;
-import java.io.IOException;
-import java.math.BigInteger;
 
 /**
  * The bridge between Max and Ruby.
@@ -66,20 +67,17 @@ public class MaxRubyAdapter {
 
 	private String id;
 
-	private CompatVersion rubyVersion;
-
-	public MaxRubyAdapter( MaxObject maxObject, String context, String id, CompatVersion rubyVersion ) {
+	public MaxRubyAdapter( MaxObject maxObject, String context, String id) {
 		this.maxObject = maxObject;
 		if( maxObject instanceof Logger ) {
 			this.logger = (Logger)maxObject;
 		}
 		this.maxContext = context;
 		this.id = id;
-		this.rubyVersion = rubyVersion;
 	}
 
 	private void getEvaluator() {
-		ruby = ScriptEvaluatorManager.getRubyEvaluator( maxContext, id, maxObject, rubyVersion );
+		ruby = ScriptEvaluatorManager.getRubyEvaluator( maxContext, id, maxObject );
 		ruby.declareGlobal( "max_ruby_adapter", this );
 		ruby.declareGlobal( "global_variable_store", GlobalVariableStore.getInstance() );
 	}
@@ -117,7 +115,7 @@ public void setId( String id ) {
 			this.id = id;
 		}
 	}
-
+	
 	public void notifyDeleted() {
 		ScriptEvaluatorManager.removeRubyEvaluator( maxObject );
 	}
diff --git a/src/jruby4max/rubysupport/RubyProperties.java b/src/jruby4max/rubysupport/RubyProperties.java
index 370580a..90809d9 100644
--- a/src/jruby4max/rubysupport/RubyProperties.java
+++ b/src/jruby4max/rubysupport/RubyProperties.java
@@ -1,12 +1,17 @@
 package jruby4max.rubysupport;
 
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.Properties;
+
 /*
 Copyright (c) 2008, Adam Murray (adam@compusition.com). All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
 
-1. Redistributions of source code must retain the above copyright notice, 
+1. Redistributions of source code must retain the above copyright notice,
 this list of conditions and the following disclaimer.
 
 2. Redistributions in binary form must reproduce the above copyright notice,
@@ -28,13 +33,8 @@ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 */
 
 import com.cycling74.max.MaxSystem;
-import jruby4max.util.Utils;
-import org.jruby.CompatVersion;
 
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.util.Properties;
+import jruby4max.util.Utils;
 
 /**
  * Manages all global settings for Ruby evaluation.
@@ -56,7 +56,7 @@ public class RubyProperties {
 		try {
 			String propsPath = MaxSystem.locateFile( "jruby_for_max.properties" );
 			if( propsPath == null ) {
-				//MaxSystem.error("jruby4max.ruby.properties not found! Maybe jruby4max objects was not installed correctly?");
+				MaxSystem.error("jruby_for_max.properties not found! Maybe jruby4max objects was not installed correctly? Created a default instance.");
 				properties = new Properties();
 			}
 			else {
@@ -116,19 +116,6 @@ public static String[] getLoadPaths() {
 		return loadpaths;
 	}
 
-	public static CompatVersion getRubyVersion( String version ) {
-		if( "1.9".equals( version ) ) {
-			return CompatVersion.RUBY1_9;
-		}
-		else if( "1.8".equals( version ) ) {
-			return CompatVersion.RUBY1_8;
-		}
-		else return null;
-	}
-
-	public static String DEFAULT_RUBY_VERSION_STRING = "1.9";
-	public static CompatVersion DEFAULT_RUBY_VERSION = CompatVersion.RUBY1_9;
-
     public static String defaultGemHome() {
         return Utils.pathToContainingFolder(MaxSystem.locateFile("jruby.jar")) + File.separatorChar + "jruby_gems";
     }
diff --git a/src/jruby4max/rubysupport/ScriptEvaluator.java b/src/jruby4max/rubysupport/ScriptEvaluator.java
index fbba4e8..894e5bf 100644
--- a/src/jruby4max/rubysupport/ScriptEvaluator.java
+++ b/src/jruby4max/rubysupport/ScriptEvaluator.java
@@ -1,53 +1,21 @@
 package jruby4max.rubysupport;
 
-/*
-Copyright (c) 2008-2011, Adam Murray (adam@compusition.com). All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-1. Redistributions of source code must retain the above copyright notice,
-this list of conditions and the following disclaimer.
-
-2. Redistributions in binary form must reproduce the above copyright notice,
-this list of conditions and the following disclaimer in the documentation
-and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
-CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-*/
-
-import org.jruby.CompatVersion;
-import org.jruby.embed.LocalContextScope;
-import org.jruby.embed.LocalVariableBehavior;
-import org.jruby.embed.ScriptingContainer;
-
 import java.io.File;
 import java.util.HashMap;
 import java.util.Map;
 
+import org.jruby.embed.LocalContextScope;
+import org.jruby.embed.LocalVariableBehavior;
+import org.jruby.embed.ScriptingContainer;
+
 public class ScriptEvaluator implements IScriptEvaluator {
 
 	private ScriptingContainer container;
 
-	private CompatVersion compatVersion;
-
 	private boolean initialized = false;
 	private Map<String, Object> persitentGlobals = new HashMap<String, Object>();
 
-	public ScriptEvaluator( CompatVersion rubyVersion ) {
-		// if compatVersion isn't set right away, it won't work (maybe because of the global var setup?)
-		compatVersion = rubyVersion;
+	public ScriptEvaluator() {
 		resetEngineContext();
 	}
 
@@ -92,7 +60,6 @@ public void undeclareGlobal( String variableName ) {
 
 	protected void resetEngineContext() {
 		container = new ScriptingContainer( LocalContextScope.SINGLETHREAD, LocalVariableBehavior.TRANSIENT );
-		container.setCompatVersion( compatVersion );
 		container.setCurrentDirectory( System.getProperty( "user.home" ) );
 
         // It seems we can't directly modify the current environment, so we need to make a copy first.
@@ -127,6 +94,9 @@ public Object eval( CharSequence rubyCode ) {
 	public void exit() {
 		container.terminate();
 		container = null;
-
+	}
+	
+	public String version() {
+		return container.getSupportedRubyVersion();
 	}
 }
diff --git a/src/jruby4max/rubysupport/ScriptEvaluatorManager.java b/src/jruby4max/rubysupport/ScriptEvaluatorManager.java
index b379191..ff21d8f 100644
--- a/src/jruby4max/rubysupport/ScriptEvaluatorManager.java
+++ b/src/jruby4max/rubysupport/ScriptEvaluatorManager.java
@@ -1,5 +1,9 @@
 package jruby4max.rubysupport;
 
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
 /*
 Copyright (c) 2008, Adam Murray (adam@compusition.com). All rights reserved.
 
@@ -28,11 +32,6 @@ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 */
 
 import jruby4max.util.MappedSet;
-import org.jruby.CompatVersion;
-
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Set;
 
 /**
  * Factory for Ruby evaluators that manages shared contexts.
@@ -81,7 +80,7 @@ private ScriptEvaluatorManager() {
 	 *
 	 * @return an implementation of IScriptEvaluator
 	 */
-	public static IScriptEvaluator getRubyEvaluator( String maxContext, String id, Object maxObject, CompatVersion rubyVersion ) {
+	public static IScriptEvaluator getRubyEvaluator( String maxContext, String id, Object maxObject) {
 
 		Map<String, Object> idMap = maxObjectMap.get( maxContext );
 		if( idMap == null ) {
@@ -99,7 +98,7 @@ public static IScriptEvaluator getRubyEvaluator( String maxContext, String id, O
 
 		IScriptEvaluator evaluator = evaluatorContexts.get( evaluatorContext );
 		if( evaluator == null ) {
-			evaluator = new ScriptEvaluator( rubyVersion );
+			evaluator = new ScriptEvaluator();
 			evaluatorContexts.put( evaluatorContext, evaluator );
 			evaluatorContextCounter.put( evaluatorContext, 1 );
 			Set<Object> maxObjects = objectsUsingEvaluator.addValue( evaluatorContext, maxObject );
diff --git a/test/jruby4max/util/MappedSetTest.java b/test/jruby4max/util/MappedSetTest.java
index 5421f8a..a3fcdef 100644
--- a/test/jruby4max/util/MappedSetTest.java
+++ b/test/jruby4max/util/MappedSetTest.java
@@ -4,10 +4,6 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Set;
-
 public class MappedSetTest {
 
 	private MappedSet<String,Integer> subject;