Some more work, and a --parse-only option to support the new kraken.vim vim plugin that adds Syntastic support (and syntax highlighting)

tests/test_fileio.krak

@@ -0,0 +1,7 @@
+import io:*
+import string:*
+
+fun main():int {
+    print(read_file(string("test_fileio.expected_results")))
+    return 0
+}