Add a command line tool to use num2words, credits to @hernamesbarbara

setup.py

@@ -1,5 +1,9 @@
+import re
+
 from setuptools import find_packages, setup
 
+PACKAGE_NAME = "num2words"
+
 CLASSIFIERS = [
     'Development Status :: 5 - Production/Stable',
     'Intended Audience :: Developers',
@@ -16,9 +20,27 @@ CLASSIFIERS = [
 LONG_DESC = open('README.rst', 'rt').read() + '\n\n' + \
             open('CHANGES.rst', 'rt').read()
 
+
+def find_version(fname):
+    """Parse file & return version number matching 0.0.1 regex
+    Returns str or raises RuntimeError
+    """
+    version = ''
+    with open(fname, 'r') as fp:
+        reg = re.compile(r'__version__ = [\'"]([^\'"]*)[\'"]')
+        for line in fp:
+            m = reg.match(line)
+            if m:
+                version = m.group(1)
+                break
+    if not version:
+        raise RuntimeError('Cannot find version information')
+    return version
+
+
 setup(
-    name='num2words',
-    version='0.5.7',
+    name=PACKAGE_NAME,
+    version=find_version("bin/num2words"),
     description='Modules to convert numbers to words. Easily extensible.',
     long_description=LONG_DESC,
     license='LGPL',
@@ -33,4 +55,6 @@ setup(
     packages=find_packages(exclude=['tests']),
     test_suite='tests',
     classifiers=CLASSIFIERS,
+    scripts=['bin/num2words'],
+    install_requires=["docopt>=0.6.2"]
 )