Added tests for grouping t#09

lexicalStructure.lex

@@ -15,7 +15,7 @@ ID [A-Za-z_][0-9A-Za-z_]*
 DIGIT [0-9]
 CHAR \\n|\\t|\\'|[^'\n\t\\]
 	/* char can be a newline, tab, an escaped quote, or anything but a single quote, an actual line break, an actual tab, or a backslash by itself (to prevent confusion from escaped quote */
-SCHAR \\n|\\t|\\\"|[^\"\n\\]  
+SCHAR \\n|\\t|\\\"|[^\"\n\\]
 	/* similar to above, a string Char (SCHAR) is the same as a CHAR except we cannot have double quotes instead of single quotes. Double quotes need to be escaped in Flex unlike single quotes based on documentation */
 
 %%
@@ -79,4 +79,4 @@ int main( int argc, char **argv )
 	else
 		yyin = stdin;
 	yylex();
-}
+}