I3-resurrect

Forgot to bump version in setup.py for 1.4.4 so doing another release for that...

Fixes:
- Fix bug with `i3-resurrect ls profiles` not working
- Fix incorrect value for `directory` option in default config

Fixes:
- Fix bug with commas in path due to lack of proper quoting
- Fix bug with workspaces beginning with space by quoting workspace names when switching workspace

Fixes:
- Fixed bug causing incorrect program saving when cmdline contains empty args

Fixes:
- Properly handle processes which modify their own commandline and dump it all into argv[0]
- Fix crash when restoring programs if a non-saved window was already open on the workspace

Fixes:
- Workspace root layout mode is now restored correctly
- Windows are no longer left behind when initiating a restore for an unfocused
workspace
- Disallowed characters such as `/` are now removed from file names
- Marks are now preserved

Enhancements:
- Very significant performance improvements
- Added `-p/--profile` option to allow saving a workspace and restoring it to a
different workspace instead of only the same workspace name as it had
originally
- Added `ls` command for listing saved workspaces/profiles
- Added `rm` command for deleting saved workspaces/profiles
- Added `-n/--numeric` option for specifying workspace by number instead of name
- Floating windows are now supported
- As a result, the scratchpad can now be saved/restored using
`i3-resurrect save/restore -w __i3_scratch`
- It is now possible to interpolate cmdline arguments from the actual process
into custom command mappings
- Programs that are already open in the workspace will no longer be restored