wx Tasklist: Fix comment
Add step to RELEASE
wx Tasklist: Better protect 32-bit systems from exceptions
wx Tasklist: Better protect 32-bit systems from exceptions
wx Tasklist: Rename OutOfRangeError > SearchOutOfRangeError
wx Tasklist: Protect against out-of-range search results

Fixes #306
wx Tasklist: Enable menu items only if schedule tab is selected
wx GUI: Fix menu items enabling
wx GUI: Disable menu actions if no databases are open
wx GUI: Disable menu actions if no databases are open
wx GUI: Simplify code
wx Tasklist: Fix bug
wx Tasklist: Simplify, this doesn't seem to be an issue anymore
wx Tasklist: Let the menu show toggle work even if no databases are open
wx GUI: Optimize menu items status update
wx Tasklist: Disable focus menu item if no database is open
Move time span formatting functions to the pyaux library
Notify: Display item heading in the summary and times in the body
wx GUI: Restore functionality of Ctrl+Enter in text area
Remove wxclasses library (prepare for symlinking it)

Addresses #162