Support for Python 2 removed

source suffix can now be a list

Jam.py package upgraded to version 5.4.90

Some bugs fixed

Minor bugs fixed

Jam.py lib upgraded

Bug when doc tree didn't show on start fixed
Minor bugs fixed

Some gigs fixed

Jam.py upgraded

Jam.py updated to latest version

Tabs can be closed by pressing Escape
Minor bugs fixed

Version 1 completely reworked