lotsa fixes

still developing

Bump tag

This is 0.5.0 beta-release

version 0.5.0-alpha, don't use at home!

v0.4.4-alpha

- adding timetables
- subscription bugfix

This is version 0.4.2-alpha - do not use at home!

See commits for changelog:
many bugfixes (datepicker etc)
and a new introduction