Added support for decoding Brotli compression used in new formats (#7)

set version to 0.6.0, fill out library metadata, add build status to …

…readme

set version to 0.5.0

set version to 0.4.0

set version to 0.3.0

version 0.2.2

fix converted rrtex wrong extension, fix export root node failing, 0.2.1

version 0.0.2, cleanup

dont write zero signature, set version to 0.0.1