Node 0.6 compatibility

.gitignore

@@ -1,2 +1,3 @@
 .DS_Store
 lib/test/temp
+node_modules

src/test/testing_util.coffee

@@ -1,6 +1,6 @@
 
 {exec} = require 'child_process'
-sys = require 'sys'
+util = try require 'util' catch e then require 'sys'
 
 
 exports.check_exec_options = check_exec_options = (cmd, options, callback) ->
@@ -26,11 +26,11 @@ exports.listsContainSameElements = listsContainSameElements = (t, arr1, arr2) ->
 
 
 exports.EventBuffer = class EventBuffer
-  
+
   constructor: () ->
     @stack = []
     @callback = null
-  
+
   wait: (callback) ->
     if @stack.length > 0
       event = @stack.pop()
@@ -39,14 +39,14 @@ exports.EventBuffer = class EventBuffer
       if @callback
         throw new Error "Only store one callback"
       @callback = callback
-  
+
   expect: (t, args...) ->
-    sys.debug "Expecting #{args[0]}..."
+    util.debug "Expecting #{args[0]}..."
     @wait (event) ->
       for x, i in args[...-1]
         t.equal event[i], x
       args[-1...][0](event)
-  
+
   event: (event) ->
     if @callback
       callback = @callback

src/watchers/stat.coffee

@@ -4,30 +4,25 @@ events = require 'events'
 assert = require 'assert'
 async = require 'async'
 
-
-ENOENT = 2
-ENOTDIR = 20
-
-
 class Paths
-  
+
   constructor: () ->
-    
+
     @items = []
     @itemsDict = {}
-    
+
     @numItems = 0
     @pos = 0
-  
+
   add: (x) ->
     assert.ok not @contains x
     @items.push x
     @numItems += 1
     @itemsDict[x] = true
-  
+
   contains: (x) ->
     @itemsDict[x]?
-  
+
   next: () ->
     return null if @items.length == 0
     @pos = (@pos + 1) % @numItems
@@ -36,116 +31,116 @@ class Paths
 
 
 exports.StatWatcher = class StatWatcher extends events.EventEmitter
-  
+
   constructor: (top, opt) ->
-    
+
     events.EventEmitter.call this
-    
+
     options = opt or {}
     @ignore = if opt.ignore? then new RegExp opt.ignore else null
     @match = if opt.match? then new RegExp opt.match else null
     @sampleRate = if opt['sample-rate']? then (1 * opt['sample-rate']) else 5
     @maxStatsPending = 10 # Does not apply to the initial scan
-    
+
     @paths = new Paths()
     @paths.add top
     @path_mtime = {}
     @numStatsPending = 0
     @preexistingPathsToReport = {}
     @numPreexistingPathsToReport = 0
-    
+
     pathsIn top, (paths) =>
       for path in paths
         if (not @paths.contains path) and
-           (not @ignore or not path.match @ignore) and 
+           (not @ignore or not path.match @ignore) and
            (not @match or path.match @match)
-          
+
           @preexistingPathsToReport[path] = true
           @numPreexistingPathsToReport++
-          
+
           @paths.add path
           @statPath path
       @intervalId = setInterval (() => @tick()), @sampleRate
-  
+
   end: () ->
     clearInterval @intervalId
-  
+
   tick: () ->
     if @numStatsPending <= @maxStatsPending
       path = @paths.next()
       if path
         @statPath path
-  
+
   statPath: (path) ->
-    
+
     @numStatsPending++
     fs.stat path, (err, stats) =>
       @numStatsPending--
       last_mtime = @path_mtime[path] or null
-      
+
       if err
-        
+
         # file deleted
-        if err.errno == ENOENT
+        if err.code == 'ENOENT'
           if last_mtime
             @emit 'fileDeleted', path
             delete @path_mtime[path]
-        
+
         # error
         else
           throw err
-      
+
       else
-        
+
         @path_mtime[path] = stats.mtime
-        
+
         # (new or modified) dir
         if stats.isDirectory()
           if (not last_mtime) or (stats.mtime > last_mtime)
             @scanDir path
-        
+
         else
-          
+
           # new file
           if not last_mtime
-            
+
             eventName = 'fileCreated'
             if @preexistingPathsToReport[path]
               eventName = 'filePreexisted'
               delete @preexistingPathsToReport[path]
-              @numPreexistingPathsToReport--            
+              @numPreexistingPathsToReport--
             @emit eventName, path, stats
-          
+
           # modified file
           else if stats.mtime > last_mtime
             @emit 'fileModified', path, stats
-      
+
       if @numPreexistingPathsToReport == 0
         @emit 'allPreexistingFilesReported'
         @numPreexistingPathsToReport = -1
-  
+
   scanDir: (path) ->
     fs.readdir path, (err, files) =>
       for file in files
         path2 = "#{path}/#{file}"
         if (not @paths.contains path2) and
-           (not @ignore or not path2.match @ignore) and 
+           (not @ignore or not path2.match @ignore) and
            (not @match or path2.match @match)
           @paths.add path2
           @statPath path2
 
 
 _pathsIn = (path, paths, callback) ->
   fs.readdir path, (err, files) ->
-    
+
     # Case: file
-    if err and err.errno == ENOTDIR
+    if err and err.code == 'ENOTDIR'
       paths.push path
       return callback()
-    
+
     # Case: error
     throw err if err
-    
+
     # Case: dir
     async.forEach(
       files,