Made changes to the scanner to catch more errors for compound IDs

Scanning.py

@@ -488,8 +488,11 @@ def scan(input):
             # Checking wrong keywords in compIDs
             elif token.name == 'COMPID':
                 temp = token.lex.split('.')
-                if temp[0] in wrongJavaKeyWordDict:
-                    return (None, "wrong keyword in comp id")
+                for i, t in enumerate(temp):
+                    if i == 0 and t in wrongJavaKeyWordDict:
+                        return (None, "wrong keyword in comp id")
+                    if i is not 0 and (t == 'Class' or t == 'class'):
+                        return (None, "wrong keyword in comp id")
             
             # Checking if the multi line comment has a closing tag
             if token.name == 'LCOMMENT':