Add has_item method to spider mysql cache backend
Add file locking to crawl command
Improve error reporting in grab.cli
Add options to configure statistics displaying in crawl command
Remove pdb line
Remove unique feature from spider memory task queue
Remove deprecated argument `timeout` from `get` metho of all task queue backends
Add support of delayed task (only in memory task queue
Small fix to redis task queue
Fix warning in grab.tools.http module
Start refactoring captcha module to use it inside Spider
Refactor captcha module to support full asynchronous mode in Spider. Create CaptchaSolverInterface super-class that provides some task-handlers that allow to write less code in your custom spider
Add start_project script and default project template
Better error handling in build_spider_registry function
Refactor item.py into item/ module and add some new feature to item
Fix test_item script
Remove obsolete item.py
Add verbose logging to build_spider_registry function
Add html method to SelectorList
Change encoding-related argumetns of grab.tools.lxml_tools.clean_html function