Add unit tests for StringReader. You can run them with ./kraken --test.

main.cpp

@@ -17,7 +17,11 @@
 
 
 int main(int argc, char* argv[]) {
-	
+	if (argc == 2 && std::string(argv[1]) == "--test") {
+		StringReader::test();
+		return 0;
+	}
+
 	std::ifstream programInFile, grammerInFile;
 	std::ofstream outFile, outFileTransformed, outFileAST;
 
@@ -144,4 +148,4 @@ int main(int argc, char* argv[]) {
 
 	return(0);
 }
- 
+