Bump version to 1.4.0-pre
Add syntax definitions for shell scripts and objc
Add right_margin config setting
Add count-occurrences find command action
Major performance boost on highlight selection
Initial implementation of python-replace
Add Python Replace option to find command
Fix bug in replace with empty string
Store FoundRange on TextView instead of Finder
Improve error handling of python replace
Enhance re match object for python replace
Enhance error reporting for regex replace
2to3 -wn --no-diffs .
Undo over-zealous changes by 2to3
Begin work on port to Python3

- fix namedSelector calls
- except x, y -> except x as y
iteritems -> items
Remove unused imports
Rename libs.txt to requires.txt
Update build process and requirements
Improve exception handling