Initial button styling on some formatBar buttons
Initial titleBar styling
Removed unnecessary part from README.md
Abstracted styles into styles.py (and broke them)
Fixed abstracted styling
Removed unnecessary example
Made textBox focused at startup
Added spacers in formatting bar
Improved exception handling during startup
Added tabBar
Improved styling
Initial tab look
Initial tab layout, and "show" and "close" functionality
More basic tab functionality and styling
tabBar add and switch methods implemented
Initial tab manipulation
Fixed deleting last tab
Removed rewrite button from tabs (to be added to "open" button)
Improved platform awareness with slashChar instead of "/"
Moved tab functionality into tabs.py
Implemented the tabs' close button functionality
Made tab switching change contents of the text box
Converted save functionality to work with tabs