Squashed '.vim/bundle/SkyBison/' changes from ce6c9cd..5adddfe

5adddfe Run cmdline outside of try/catch so proper user-facing errors are generated

git-subtree-dir: .vim/bundle/SkyBison
git-subtree-split: 5adddfef0e9d76ac1eea343ff457b0e65a711fb4
Merge latest SkyBison, '88d690fe157a527e0e0246667414a654f2a23792'
Squashed '.vim/bundle/signify/' changes from 7f57ee5..159b171

159b171 Use _> for more than 99 deletes lines (again)
3ac59ab Doc: correct delete signs explanation
5db82c4 Let counter overflow if more than 100 lines deleted
9e83f24 Fix unicode + subscripting bug
a4e06fb Set b:sy_path also for SessionLoadPost events
39d5614 Doc: typo

git-subtree-dir: .vim/bundle/signify
git-subtree-split: 159b171e4a72ed3c6813ce3c4ed416a9fe040658
Merge latest signify, '159b171e4a72ed3c6813ce3c4ed416a9fe040658'