Modified nextChar method to return character under cursor before incrementing cursor.

ZString.cpp

@@ -561,9 +561,11 @@ namespace coreutils {
       return *this;
    }
    
-   void ZString::nextChar() {
-      if(!eod())
-	++cursor;
+   char ZString::nextChar() {
+      char temp = 0;
+      if(!eod()) 
+	temp = *cursor++;
+      return temp;
    }
 
 }