Merge pull request #8 from jooooscha/alternate_screen

Use alternate screen
b8709dfc — Joscha Loos a month ago
* use alternate screen
version number was a bit too far ahead
fixed bug: extra columns got inserted!
added --reset option to reset all cards (also suggested in #2)
ensure a more fixed column layout when outputting (input is still more forgiving)
implemented further deck filtering options
adding an extra confirm-stage to prevent accidental quits without saving (relates somewhat to #2)
Implemented fix for losing comments #3
small clarification in README #2
added link to AUR package
removed some keywords (was over the max)
extra newline in minimal mode
bumping version to 1.0, preparing for release
increased interval