Phenopype

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- full landmark functionality added (refer to "landmark_maker" readme in the docs)
- additionally: measure length of curvy specimens from within the landmarking function ("arc")
- generic image registration (aka feature recognition) added, will be properly introduced and documented in the next version

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- "scale_maker" can return now has attribute "mask_obj" to pass on to "object_finder" (tuple of 3)
bugfix:
- missing "filetypes" argument in "project_finder" help
- default value for "factor in "scale.detect"

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- integration with opencv-contrib-python==3.4.5.20
- tracking functionality added, integration with trackpy
- testing environment in place, integration with pytest
- initialize classes directly with image
- tutorials included for basic python (1) and object finding (2)
Known bugs:
- base "fillyPoly" sometimes breaks - culprit numpy datatype?
- base.polygon_maker "include=False" excludes everything

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- functions take numpy array in addition to string with path to image
- bugfix: opencv-contrib-python version 3.*

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- object_finder functions streamlined and "skeletonize" algorithm added
- better documentation with docstrings
- docstring integration with sphinx
- __init__ rework for sphinx integration

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- first release to pypi