Getmail

- fix 34: quote mailbox if necessary
- fix 36: use setuptools, suggest pip to install and uninstall

- fix 23: port getmail-gmail-xoauth-tokens
- fix 24: TypeError: 'gaierror' object is not subscriptable
- documentation fixes

- fix 20: mboxrd can't concat str to bytes
- fix 21: version numbering from 6.0x to 6.x

- fix 14: IDLE not working
- documentation update

This is the first release after porting getmail 5.14 to Python 3
and renaming it to getmail6.

It works for me and others have used it and reported some bugs,
which I have fixed.

It seems to work for the standard usage now.

There is no test suite, so I'm relying on bug reports.