compton-trans: consistency, better bash practices, refactor.
compton-trans: more consistency.
compton-trans: cleanup. add remove-prop option.
compton-trans: improve option parsing.
compton-trans: add a 'get' option.
compton-trans: minor. consistency.
compton-trans: use a different workaround with getopts.
compton-trans: use getopt instead of getopts.
Revert "compton-trans: use getopt instead of getopts."

This reverts commit 80a3c805619fcec158259f68ad966308712b83f9.
compton-trans: allow long option names.
compton-trans: add reset option.
compton-trans: ensure wid format. misc.

xwininfo falls back to cursor selection if the window ID is formatted
improperly.
Merge pull request #108 from chjj/compton_trans

compton-trans improvements