NEW: Zoomify Tile Generation

[John-P]

Add classes which can generate zoomify tiles from a WSIReader object.

Example

from tiatoolbox.wsicore.wsireader import WSReader
from tiatoolbox.tool.pyramid import ZoomifyGenerator

wsi = WSReader.open("slide.svs")
zoomify_gen = ZoomifyGenerator(wsi)   # Defaults to 256x256 tiles
tile = zoomify_gen.get_tile(0, 0, 0)  # PIL Image

[codecov]

Codecov Report

Merging #182 (9b2e515) into develop (d98e091) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           develop     #182      +/-   ##
===========================================
+ Coverage    99.77%   99.78%   +0.01%     
===========================================
  Files           45       46       +1     
  Lines         3572     3780     +208     
  Branches       577      621      +44     
===========================================
+ Hits          3564     3772     +208     
  Misses           2        2              
  Partials         6        6              

Impacted Files	Coverage Δ
tiatoolbox/tools/pyramid.py	100.00% <100.00%> (ø)
tiatoolbox/utils/image.py	100.00% <100.00%> (ø)
tiatoolbox/utils/transforms.py	100.00% <100.00%> (ø)
tiatoolbox/wsicore/wsireader.py	99.31% <100.00%> (+<0.01%)	⬆️

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[shaneahmed]

Thanks @John-P