0.3.1
- Fixed bug on startup ("local variable 'delFeaturesID' referenced before assignment")

0.3.0
- Added support for spatial indexing (huge speed gain).
- Removed "Connection tolerance" option (not compatible with spatial indexing).

0.2.0
- Improvment of alignment merging (avoid merging with "reverse" alignment).
- Added "Connection tolerance" option.

0.1.1
- Fix alignment merging bug.
- Icon moved to img folder.
- Added "Difference with other plugins" section in README.
