Grab

Added
- Add pylint to default test set

Fixed
- Fix 229: using deprecated response object inside Grab

Removed
- Remove spider project template and start_project script

Fixed
- Fix bug in deprecated grab.choose_form method
- Add default project templates files to the distribution, by rushter
- Fix 222: debug_post option fails with big post data
- Fix 148: pycurl ignores sigint signal

Added
- Start running Grab tests in OSX environment on travis CI

Changed
- Use defusedxml library to parse HTML and XML, by kevinlondon
- Put selection, lxml and pycurl libs back to required dependencies in setup.py
- Update installation documentation

Added
- Add API documentation about few grab modules, by rushter
- Start running Grab tests in Windows enviroment on appveyor CI
- New spider transport based on threads that allows to use Spider with any Grab network backend e.g. urllib3
- Add `remove_from_post` option to grab.doc.submit method
- Add `random` option to grab.change_proxy method
- Support for deprecated attributes Spider.items and Spider.counters
- If Spider handler raises ResponseNotValid exception, then that task goes back to task queue until task.task_try_count reaches the spider.task_try_limit

Changed
- Refactor management of internal threads, fix random test failures related to cache sub-module
- Disable default logging to files while running spider by `run crawl` command
- Multiple improvements in urllib3 transport
- Set default spider network & try limits to 3 (was 10)

Fixed
- Different bugs in urllib3 transport
- Different bugs

Removed
- Remove grab.use_next_proxy method
- Remove grab.dump method
- Remove deprecated Spider methods and attributes

Fixed
- Fix setup.py

Added
- Everyting :) Probably later I'll extend changelog more deep to the history