Fix blocking param in http_request on MC servers

Previously only the http request was blocking on MC servers. This makes the callback execution also blocking.

Author: PseudoKnight

src/main/java/com/laytonsmith/core/functions/Web.java

@@ -483,26 +483,26 @@ public void run() {
 						if(arrayJar != null) {
 							getCookieJar(arrayJar, settings.getCookieJar(), t);
 						}
-						StaticLayer.GetConvertor().runOnMainThreadLater(
-								environment.getEnv(StaticRuntimeEnv.class).GetDaemonManager(), new Runnable() {
-
-							@Override
-							public void run() {
-								executeFinish(success, array, t, environment);
-							}
-						});
+						if(settings.getBlocking()) {
+							executeFinish(success, array, t, environment);
+						} else {
+							StaticLayer.GetConvertor().runOnMainThreadLater(
+									environment.getEnv(StaticRuntimeEnv.class).GetDaemonManager(),
+									() -> executeFinish(success, array, t, environment));
+						}
 					} catch (IOException e) {
 						final CREIOException ex = new CREIOException((e instanceof UnknownHostException ? "Unknown host: " : "")
 							+ e.getMessage(), t);
 						ex.setStackTraceElements(st);
 						if(error != null) {
-							StaticLayer.GetConvertor().runOnMainThreadLater(
-									environment.getEnv(StaticRuntimeEnv.class).GetDaemonManager(), new Runnable() {
-								@Override
-								public void run() {
-									executeFinish(error, ObjectGenerator.GetGenerator().exception(ex, environment, t), t, environment);
-								}
-							});
+							final CArray cException = ObjectGenerator.GetGenerator().exception(ex, environment, t);
+							if(settings.getBlocking()) {
+								executeFinish(error, cException, t, environment);
+							} else {
+								StaticLayer.GetConvertor().runOnMainThreadLater(
+										environment.getEnv(StaticRuntimeEnv.class).GetDaemonManager(),
+										() -> executeFinish(error, cException, t, environment));
+							}
 						} else {
 							ConfigRuntimeException.HandleUncaughtException(ex, environment);
 						}

src/main/resources/functionDocs/http_request

@@ -99,8 +99,8 @@ yourself.
 | error
 | closure
 | null
-| If the request fails for whatever reason, this receives the exception generated. By default, the exception
-is logged using the default uncaught exception handler.
+| If the request fails for whatever reason, this receives the [[Exceptions#The exception object|exception object]]
+generated. By default, the exception is logged using the default uncaught exception handler.
 |-
 | timeout
 | int
@@ -171,7 +171,10 @@ decides on the encoding format to use.
 | blocking
 | boolean
 | false
-| If this is true, the method will block until it is complete, and it also won't use the internal thread pool.
+| If this is true, the function will block and execute the success or error callback on the current thread. Otherwise
+the request will be executed asynchronously and the success or error callback will be executed on the main thread on a
+Minecraft server or a new thread when in cmdline mode. Note that blocking on the main Minecraft thread may disrupt any
+online players.
 |-
 | log
 | boolean