update version numbers and README for 1.2.6 release

update version numbers and README for 1.2.5 release

update version numbers and README for 1.2.4 release

update version numbers and README for 1.2.3 release

update version numbers for 1.2.2 release

Merge pull request jiixyj#60 from bmatherly/master

Fix true peak calculation for sample rate >= 192k.

update README for 1.2.0 release

update news section for v1.1.0

Release v1.0.3

Fix documentation of the EBUR128_MODE_I mode parameter