add dpaste plugin
add bak plugin
Merge branch 'bak'
dpaste plugin: add "expires" option
Merge branch 'dpaste'
dpaste plugin: underscoring all private variables and functions
Merge branch 'dpaste'
dpaste plugin: fixed file pasting with option -t
Merge branch 'dpaste'
dpaste plugin: add --help alias for help
Merge branch 'dpaste'
bak plugin: bak renamed to mvbak, cpbak added
Merge branch 'bak'
bak plugin: add help on 0 arguments
Merge branch 'bak'
dpaste plugin: add compatibility with non GNU *nix
dpaste plugin: add tests
Merge branch 'dpaste'
dpaste plugin: fix tests
dpaste plugin: fix hour, week, month expired snippets