make test case more difficult
Fix range and add (previously) failing test
Transform incoming delta vs possible local changes

Due to the fact we poll for local changes
add undo test
Better way to avoid recording own undo
Fix typo in multicursor module.
Merge pull request #86 from byronm/develop

Fix typo in multicursor module.
Clean up snow styles

Fixes #84
css tweak
fixes #76
fix tests
Fix bug after image insertion

Some reason @range became null after insertImage
fixes #73
handle comments and childless elements

fixes #89
ie needs explicit arguments
use standard account for pull requests
Fix typo in multicursor module.
Clean up snow styles

Fixes #84
css tweak
fixes #76