Fix removeKeyMap for string keymap values
[python mode] Add MIME for Cython dialect
Fix bug in addLineWidget.

Fixed clipping of the insertAt index.
Fix addLineWidget documentation.

Removed "pos" parameter.
Fix selecting until the start of a bidi line
Support 'title' option to markText

Issue #1654
Added SPARQL 1.1 keywords to the SPARQL mode.
Merge branch 'master' of github.com:marijnh/CodeMirror