add hooks for callback timeouts and failures
fixed PEP8 violations in better_callbacks branch
added some missing documentation around Callback's class
fixed typos
Typo fix in the `Word and Explicit Sublime Text 3 Completions` section
Merge pull request #189 from mikedory/master

Typo fix in the `Word and Explicit Sublime Text 3 Completions` section
moved callback to it's onw package and refactor
added release notes
Merge branch 'better_callbacks'
disabed debug mode on JsonServer
added anaconda common handler for JsonServer
added Jedi Handler
added isolated linters for pep8, pep257, pyflakes and pylint, added python_linting handler
added more handlers, refactor in progress
refactor calls to JsonServer to add new handler parameter
fixed bugs in anaconda_pyflakes
fixed wrong call to prepare_send_data on signatures listener
fixing tons of bugs
fixed several bugs, still work in progress for PyLint
fixed all the problems on linters, updted all the asyc calls to use new Callback class