update to v0.5.0

[michaelkryukov]

• removed bash-like splitting in on_startswith_text's args
• added message splitting in reply (now returns list)
• test rearrangements

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [x] My change requires a change to the documentation.
• [x] I have updated the documentation accordingly.
• [x] I have added tests to cover my changes.
• [x] I have read the CONTRIBUTING document.
• [x] All new and existing tests passed.

[coveralls]

Pull Request Test Coverage Report for Build 164

• 7 of 7 (100.0%) changed or added relevant lines in 2 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.1%) to 93.895%

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Files with Coverage Reduction	New Missed Lines	%
kutana/controller_vk/vkwrappers.py	1	81.94%
<!--	Total:	1		-->

Totals
Change from base Build 159:	-0.1%
Covered Lines:	646
Relevant Lines:	688

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💛 - Coveralls