v0.4.0

New features:

- search
    - in log and details view
    - forward and backward
    - case sensitive, case insensitive and auto
    - history for search texts
- jump to top/bottom with g/G
- pass command line arguments to `git log`

Bugfixes:

- don't show align character for untracked files in compatability mode
- (don't catch unintended exceptions while initializing commands)
- (wrong placement of parenthesis for internationalization)