Refactored the parser calls. Now it's possible to use jedi.parser.python.parse to quickly parse something.

jedi/api/__init__.py

@@ -13,7 +13,7 @@ import os
 import warnings
 import sys
 
-from jedi.parser import load_grammar
+from jedi.parser.python import load_grammar
 from jedi.parser import tree
 from jedi.parser.diff import FastParser
 from jedi.parser.utils import save_parser