2.12.10beta1

first beta, check build chain

Release of 2.12.8

This is the first release on github.
The osx/win builds are automatically build via travis-ci/mxe, hence especially on win the popller version is newer than with previous releases.

2.12.8beta2

Preparation of first realease on github.

2.12.8beta1

first beta to check travis-ci