more serious work on JString.

ZString.cpp

@@ -107,7 +107,7 @@ namespace coreutils {
    bool ZString::operator==(const ZString valuex) {
       if(valuex.getLength() != length)
 	return false; 
-      return (strncmp(data, valuex.data, valuex.length <= length ? valuex.length : length) == 0);
+      return (strncmp(data, valuex.data, length) == 0);
    }
 
    bool ZString::operator!=(const ZString &valuex) const {
@@ -314,7 +314,7 @@ namespace coreutils {
       char previous = 0;
       char *start = cursor;
       do {	   
-	 while ((cursor <= (data + length)) && !isCharacter(*cursor, exclude)) {
+	 while ((cursor < (data + length)) && !isCharacter(*cursor, exclude)) {
 	    previous = *cursor;
 	    ++cursor;
 	 }