updated NEWS

Merge pull request facebook#311 from Cyan4973/dev

Dev

Merge pull request facebook#295 from Cyan4973/dev

v0.8.1

Merge pull request facebook#274 from inikep/dev06

legacy decoders v0.7 and v0.8

Merge pull request facebook#268 from Cyan4973/dev

v0.8.0

Merge pull request facebook#270 from inikep/dev07

decoder for v0.8

Merge pull request facebook#248 from Cyan4973/dev

v0.7.4

Merge pull request facebook#241 from Cyan4973/dev

v0.7.3

Merge pull request facebook#236 from Cyan4973/dev

v0.7.2

Merge pull request facebook#222 from Cyan4973/dev

Improved speed test