Added documentation and license.

Signed-off-by: Paul Buonopane <paul+git@earth2me.com>
Updated to use readline instead of vim.

Signed-off-by: Paul Buonopane <paul+git@earth2me.com>
Updated size of input area to 3 lines.

Signed-off-by: Paul Buonopane <paul+git@earth2me.com>
Resolved merge conflicts.

Signed-off-by: Paul Buonopane <paul+git@earth2me.com>