fix term.reset().
listen for paste event on window.
move paste listener.
fix option defaults.
comments.
add selection mode.
more selection mode work.
add clipboard support for selections.
more prefix commands.
add HML keys. fix search text selection.
convert double equals to triple equals.
minor. rename variable. fix grabText. search keys.
major clean up of modes.
vim style selection+yanking. add props to constructor.
options. events. readme.
Merge branch 'select_mode'