Fixing setup to install without cython

MANIFEST.in

@@ -0,0 +1,2 @@
+include README.md
+recursive-include fog *.c *.pyx

Makefile

@@ -7,10 +7,12 @@ test: build-ext unit
 publish: lint test upload clean
 
 build-ext:
-	python setup.py build_ext --inplace
+	find . -name *.pyx | xargs cython
 
 clean:
-	rm -rf *.egg-info .pytest_cache .ipynb_checkpoints ./**/__pycache__ ./**/**/__pycache__ build dist
+	rm -rf *.egg-info .pytest_cache .ipynb_checkpoints build dist
+	find . -name __pycache__ -type d | xargs rm -rf
+	find . -name *.c -type f | xargs rm
 
 lint:
 	@echo Linting source code using pep8...

setup.py

@@ -1,11 +1,17 @@
-from setuptools import setup, find_packages
-from Cython.Build import cythonize
+from setuptools import setup, find_packages, Extension
 
 with open('./README.md', 'r') as f:
     long_description = f.read()
 
+EXTENSIONS = [
+    Extension(
+        'fog.metrics.levenshtein',
+        ['fog/metrics/levenshtein.c']
+    )
+]
+
 setup(name='fog',
-    version='0.5.3',
+    version='0.5.4',
     description='A fuzzy matching & clustering library for python.',
     long_description=long_description,
     long_description_content_type='text/markdown',
@@ -16,18 +22,12 @@ setup(name='fog',
     keywords='fuzzy',
     python_requires='>=3',
     packages=find_packages(exclude=['experiments', 'test']),
-    ext_modules=cythonize('fog/metrics/*.pyx'),
-    package_data={'': ['*.pyx'], 'docs': ['README.md']},
+    ext_modules=EXTENSIONS,
     install_requires=[
-        'cython',
         'dill==0.2.7.1',
         'phylactery==0.1.1',
         'Unidecode==1.0.22'
     ],
-    setup_requires=[
-        'cython',
-        'setuptools>=18.0'
-    ],
     entry_points={
         'console_scripts': ['fog=fog.cli.__main__:main']
     },