minor fixes

fixed delimitor length handling for values != 1 in unescapeString
fixed context retrieval when importing context

plugins/org.eclipse.gmt.tcs.injector/src/org/eclipse/gmt/tcs/injector/TCSRuntime.java

diff --git a/plugins/org.eclipse.gmt.tcs.injector/src/org/eclipse/gmt/tcs/injector/TCSRuntime.java b/plugins/org.eclipse.gmt.tcs.injector/src/org/eclipse/gmt/tcs/injector/TCSRuntime.java
index 249e30d..af93a94 100644
--- a/plugins/org.eclipse.gmt.tcs.injector/src/org/eclipse/gmt/tcs/injector/TCSRuntime.java
+++ b/plugins/org.eclipse.gmt.tcs.injector/src/org/eclipse/gmt/tcs/injector/TCSRuntime.java
@@ -604,7 +604,7 @@
 			if(realValue != null) {

 				Context context = (Context)contextByElement.get(realValue);

 				if(importContext && (context != null)) {

-					((Context)contextByElement.get(object)).importContext(context);

+					currentContext.importContext(context);

 				}					

 			}

 		}

@@ -637,7 +637,7 @@
 	public String unescapeString(String s, int delimLength) {

 		StringBuffer ret = new StringBuffer();

 		// get rid of the starting and ending delimiters (e.g., '\'', '"')

-		s = s.substring(delimLength, s.length()-(delimLength * 2 - 1));

+		s = s.substring(delimLength, s.length() - delimLength);

 

 		CharacterIterator ci = new StringCharacterIterator(s);

 		char c = ci.first();