This should take care of most of the class property conversions to
use the new annotation format (colon instead of equals) for
assignment. There may still be a few edge cases that were missed.
Bump version to 0.3.7
Small style tweaks
Fix reported on IRC:
- The issue with using .import in the blsv operators, causing
crashes when called from the python console
- Used **stored_views.import_blsv** and **stored_views.export_blsv**
