* Dev fix generate_metadata (#106)
* fix generate_metadata
* temp fix in callbacks
* Dev loader refactor (#111)
* refactored loaders, fixed weighed loss calculation
* updated config
* reverted resnet 152 to 32 filters with no dropout
* removed print
* back to 1000 valid size
* back to old batch size
* back other params
* config
* fix bug in loaders (#112)
* fix validation bug (#115)
* Dev tta (#116)
* scheleton added
* transformation and inverse done
* tta working
* Dev validation using mAP precision (#117)
* mege TTA with mAP validation
* mAP validation
* fix mAP valid in eval (#120)
