Set version to 0.10
Use ERR instead of 0 for modifier-less keybindings.

This allows C-space (NUL) as a normal key or modifier.
Scroll on Shift-PgUp and Shift-PgDn.
Completely redraw screen upon terminal size change
Changes to makefiles for OS X and theme character definitions
Merged changes into tagging branch
Show layout symbol in status bar
Added config option for status bar sep