Merge pull request #86: Ensure full absolute tagsfile filespec in async mode
Merge pull request #87: Avoid error about empty Dictionary key
Bug fix for invalid tags filtering (cache.exists() was broken, now fixed)
Actually enable the automatic commands introduced in 6c7a66349ec :-)
Bug fix for Vim based syntax highlighting of tags
Refactor atomic file updates into a feature of vim-misc
Automatically create missing directories when writing tags files