Csbluegem.py

This version adds support for the new heat treated items.

**Full Changelog**: https://github.com/fretgfr/csbluegem.py/compare/v0.12.0...v0.13.0

Adds support for c5game.com data coming from the api.

**Full Changelog**: https://github.com/fretgfr/csbluegem.py/compare/v0.11.0...v0.12.0

Adds missing documentation and attributes for PatternData

**Full Changelog**: https://github.com/fretgfr/csbluegem.py/compare/v0.10.0...v0.11.0

Renames BlueGemItem to Item and removes BlueGemKnife in favor of Item.

**Full Changelog**: https://github.com/fretgfr/csbluegem.py/compare/v0.9.0...v0.10.0

Adds support for the latest api features.

**Full Changelog**: https://github.com/fretgfr/csbluegem.py/compare/v0.8.1...v0.9.0

Fix regression that prevented support on Python 3.8

**Full Changelog**: https://github.com/fretgfr/csbluegem.py/compare/v0.8.0...v0.8.1