Issue #11. Do nothing for windowless views.

During session restore, the callback is called a lot with views
that have no window. Ignore those. Fixes triggering of the "slow plugin"
dialog.
Merge pull request #16 from rchl/master

Fix for Issue #11
rchl's fix
fixed bug with forward slashes.

Forgot to check if at end of path.
by request, added option to insert img's width first
basic st3 support. Can't get jpeg dimensions to work.
windows bug fixes; project root works as expected; optional keybinding

this should fix almost all the current bugs. Still looking into
overriding default autocompletion issues
quick readme fix
Blacklist scopes setting
fixed some bugs; now supports ~; should no longer override default completions
Update JPG dimension checking for Python3.
Merge pull request #47 from codecarson/st3

Update JPG dimension checking for Python3.
Add image dimension support for template languages like Slim that omit brackets on img tags
Remove jpg dimension from README - it’s been added.
Merge pull request #53 from codecarson/st3

Remove jpg dimension from README - it’s been added.
Merge pull request #54 from codecarson/template-languages

Add image dimension support for template languages like Slim