Os-urlpattern

Command line support read from multi files by using -i/-p param.

v.0.1.10
Add:
* Add parser for high-level APIs.
* Add Matcher for low-level APIs
* Add InlineFormatter.
* Add formatter.pformat.

Remove:
* Remove Config class and simplify code.

Enhance:
* Make parser.fuzzy_digest accept variable arguments.
* Auto discover Formatter.
* Make LogSpeedAdapter can be used as 'with statement'.
* Handle invalid data loading, prevent memory leak.
* Use cStringIO in python2.

Fix:
* Fix bug of view_cls_from_pattern MixedView judge.

Change:
* Change command line arguments.

* Remove drop_url from the default config.
* Rename bad designed class names.
* PatternMaker APIs refactoring.
* Quick merge clustered tree.
* More conditions on validating pattern unit.

Simplify match procedure，remove preprocess step.
Advantage:
1. Simplify the complex.
2. Reduce memery usage.
3. Matcher can load pattern at any time.

Refactoring APIs, add TreeNode.

Refactoring APIs.