v0.0.6

What's Changed

• More optimizers! by @jessegrabowski in #41
• Cleanup and bugfixes by @jessegrabowski in #42
• Bugfixes and cleanup in state.py by @jessegrabowski in #43
• Break import cycles in pytensorf.py and layers.py by @jessegrabowski in #44
• Extract serialization codec out of json_serialize.py by @jessegrabowski in #45
• Split layers.py into a module by @jessegrabowski in #46
• Harmonize BatchNorm layers by @jessegrabowski in #47
• More cleanup by @jessegrabowski in #48
• Memoize optimizer state per rule and parameter by @jessegrabowski in #49
• Fix activation upcasting by @jessegrabowski in #50

Full Changelog: v0.0.5...v0.0.6