Fill out setup.py, update README for installing from github.

README.md

@@ -45,14 +45,21 @@ in the file.
 ## Installation
 
 
-1. Make sure you have [cython](http://cython.org/) installed. 
+1. Make sure you have [cython](http://cython.org/) installed.
 
-2. Compile the python extension:
+
+2. Install into your Python environment:
+   ```sh
+   pip install git+https://github.com/pauldmccarthy/indexed_gzip.git
+   ```
+
+
+3. Or, if you don't want to install, compile the python extension:
     ```sh
     python setup.py build_ext --inplace
     ```
 
-3. Put the `indexed_gzip` directory on your `$PYTHONPATH`.
+   And put the `indexed_gzip` directory on your `$PYTHONPATH`.
 
 
 ## Usage

setup.py

@@ -5,15 +5,28 @@
 from Cython.Build  import cythonize
 
 
-# TODO
-# if Cython present:
-#     build indexed_gzip.pyx
-#
-# else:
-#     build pre-generated indexed_gzip.c
-#
+import indexed_gzip as igzip
 
 setup(
+    name='indexed_gzip',
+    version=str(igzip.__version__),
+    author='Paul McCarthy',
+    author_email='[email protected]',
+    description='Fast random access of gzip files in Python',
+    url='https://github.com/pauldmccarthy/indexed_gzip',
+    license='zlib',
+
+    classifiers=[
+        'Development Status :: 3 - Alpha',
+        'Intended Audience :: Developers',
+        'License :: OSI Approved :: zlib/libpng License',
+        'Programming Language :: C',
+        'Programming Language :: Cython',
+        'Programming Language :: Python :: 2',
+        'Programming Language :: Python :: 3',
+        'Topic :: System :: Archiving :: Compression',
+    ],
+
     ext_modules=cythonize([
         Extension('indexed_gzip',
                   ['indexed_gzip.pyx', 'zran.c'],
@@ -26,6 +39,7 @@
                   include_dirs=['.'],
                   extra_compile_args=['-Wno-unused-function'])
     ]),
+
     setup_requires=['pytest-runner'],
     tests_require=['pytest', 'numpy'],
     test_suite='tests',