bump to 1.2.9 in order to fix the pre-existing wrong tag (#99)

There is already a tag for 1.2.8, but the version of this file wasn't updated properly

Fixed using deprecated TXID symbol (#95)

bump to 1.2.7 (#90)

Removed glutInit() from the `push` pragma

The convenience procedure `glutInit()` without arguments has to be a normal Nim proc, not imported from the dynamic library as it is now, because it's inside the `push` pragma.

Merge pull request #64 from tomc1998/master

Update README.md with workaround for linux builds

Version 1.2.0

bump the minor version