* fix steps issues #48 and #49
* prepare sum of distances, not distances to 2 closest objects
* back to const erosion
* fixes
* fix
* [:-4] -> os.path.splitext()
* loss weighted by size of the object
* prepare masks, distances and sizes
* cleaning
* adapt models and loaders to handle size matrix and calculate size weights
* adapt models and loaders to handle size matrix and calculate size weights v2
* fix pipelines.py
* fix some issues with calculating size-weighted loss
* cleaning
* update mean and std
* fixes
* clean
* fix recall in evaluation
* fix bug in erosion (#91)
* Dev mosaic padding inference (#81)
* added mosaic seq, unet_mosaic pipe, mosaic loader
* added unet_weighted
* dropped input resize at inference
* dropped rescaling in loader, fixed postpro cropping
* local dev
* updated dilation/erosion, joined pipelines
* dropped unet mask saving
* added replication padding
* renamed mosaic->padded, moved params to configs
* padding->inference_padding
* config updates
* refactored padded unet
* refactored unet_padding
* Dev dice loss (#89)
* fix size weights
* add mixed dice + weighted ce loss
* fixes
* parametrize loss weights
* remove get_datagen function overriding
* dice loss per channel, some fixes
* fixes and smooth added to Dice loss instead of eps
* fixes and smooth added to Dice loss and eps, and parametrized
* sigmoid -> softmax in dice loss
* softmax2d
* move softmax to models.py
* parametrize softmax and sigmoid in dice loss
* Dev mask prep speed up (#94)
* distributed mask/distance/size generation added
* dropped deprecated
* dropped mask param
* Dev random crop (#97)
* local
* added random cropping, refactored augmentations
* Dev borders and dilation in preprocessing (#96)
* merge multithread
* preparing borders
* fix PR #96 and add update metadata generation
* Dev deeper archs (#102)
* dropped mask param
* added deeper resnets and spatial2d dropout
* updated config
* fixed casting
* updated index
* fix evaluate, add score builder in stream mode (#104)
* added initial version
* added simple evaluate on checkpoint script
* updated config
* added neptune file definition
* fixed conflicts
