Update README and remove unnecessary, commented code from helper.py
Change Tests/README.txt to .md [CI skip]
Multithreaded build
Limit buildprocs on travis
Merge pull request #721 from wiredfool/multiprocessing_build

Multiprocessing build
Fix segfault when importing _imagingmorph
Merge pull request #723 from cgohlke/patch-1

Fix segfault when importing _imagingmorph
Fix msvc warning: 'inline' : macro redefinition
Fix AttributeError: class Image has no attribute 'DEBUG'
Fix test_imagedraw failures
Merge pull request #727 from cgohlke/patch-4

Fix test_imagedraw failures
Merge pull request #726 from cgohlke/patch-3

Fix AttributeError: class Image has no attribute 'DEBUG'
Merge pull request #725 from cgohlke/patch-2

Fix msvc warning: 'inline' : macro redefinition
More tests cleanup
Convert bench_cffi_access.py to use unittest and helper.py
flake8 Tests/make_hash.py
Convert large_memory_test.py to use unittest (and change second XDIM on line 30 to YDIM)
Convert large_memory_numpy_test.py to use unittest (and change second XDIM on line 36 to YDIM)
Remove last dependencies on tester.py and remove file
Clean commit of 16-bit monochrome JPEK2000 support