Remove Sanpera, Replace with Pillow

[sl1-1]

Removes dependency on sanpera, replacing it's functions with pillow

[sl1-1]

This is more a looking for feedback pull request, then a do it pull request :)

[codecov-io]

Codecov Report

Merging #688 into master will decrease coverage by 0.15%.
The diff coverage is 85.03%.

@@            Coverage Diff             @@
##           master     #688      +/-   ##
==========================================
- Coverage   68.74%   68.58%   -0.16%     
==========================================
  Files         157      157              
  Lines       12985    12725     -260     
==========================================
- Hits         8927     8728     -199     
+ Misses       4058     3997      -61

Impacted Files	Coverage Δ
weasyl/commishinfo.py	63.84% <ø> (ø)	⬆️
weasyl/controllers/user.py	36.84% <ø> (+0.59%)	⬆️
weasyl/controllers/routes.py	100% <ø> (ø)	⬆️
weasyl/macro.py	77.77% <ø> (-1.82%)	⬇️
libweasyl/libweasyl/constants.py	100% <ø> (ø)	⬆️
weasyl/errorcode.py	100% <ø> (ø)	⬆️
weasyl/controllers/detail.py	50.58% <ø> (ø)	⬆️
libweasyl/libweasyl/exceptions.py	100% <ø> (ø)	⬆️
weasyl/controllers/profile.py	33.18% <ø> (+0.44%)	⬆️
weasyl/cron.py	0% <0%> (ø)	⬆️
... and 54 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f240721...bec78db. Read the comment docs.

[lgtm-com]

This pull request fixes 2 alerts when merging aa42d5b into dd316fc - view on LGTM.com

fixed alerts:

• 1 for Unused local variable
• 1 for Unreachable code

[lgtm-com]

This pull request fixes 2 alerts when merging f240721 into 578961f - view on LGTM.com

fixed alerts:

• 1 for Unused local variable
• 1 for Unreachable code

[lgtm-com]

This pull request fixes 2 alerts when merging 307bc68 into 123a690 - view on LGTM.com

fixed alerts:

• 1 for Unused local variable
• 1 for Unreachable code

[lgtm-com]

This pull request fixes 2 alerts when merging 75f5c24 into 123a690 - view on LGTM.com

fixed alerts:

• 1 for Unused local variable
• 1 for Unreachable code

[lgtm-com]

This pull request fixes 2 alerts when merging bec78db into 3163834 - view on LGTM.com

fixed alerts:

• 1 for Unused local variable
• 1 for Unreachable code

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (master@f277273). Click here to learn what that means.
The diff coverage is 84.01%.

@@            Coverage Diff            @@
##             master     #688   +/-   ##
=========================================
  Coverage          ?   68.58%           
=========================================
  Files             ?      157           
  Lines             ?    12725           
  Branches          ?        0           
=========================================
  Hits              ?     8728           
  Misses            ?     3997           
  Partials          ?        0           

Impacted Files	Coverage Δ
libweasyl/libweasyl/test/test_media.py	100.00% <ø> (ø)
libweasyl/libweasyl/models/media.py	84.55% <20.00%> (ø)
weasyl/avatar.py	28.57% <28.57%> (ø)
weasyl/media.py	55.55% <30.00%> (ø)
weasyl/thumbnail.py	43.58% <40.00%> (ø)
weasyl/submission.py	53.75% <66.66%> (ø)
weasyl/image.py	60.00% <69.23%> (ø)
libweasyl/libweasyl/images.py	86.11% <85.87%> (ø)
libweasyl/libweasyl/files.py	89.13% <100.00%> (ø)
libweasyl/libweasyl/test/test_images.py	100.00% <100.00%> (ø)
... and 158 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f277273...2055434. Read the comment docs.

[lgtm-com]

This pull request fixes 2 alerts when merging 2c49055 into f277273 - view on LGTM.com

fixed alerts:

• 1 for Unused local variable
• 1 for Unreachable code

[lgtm-com]

This pull request fixes 2 alerts when merging 2055434 into f277273 - view on LGTM.com

fixed alerts:

• 1 for Unused local variable
• 1 for Unreachable code