adding twine

Author: nickmaccarthy

requirements.txt

@@ -1,2 +1,15 @@
+appdirs==1.4.3
+args==0.1.0
 arrow==0.7.0
+clint==0.5.1
+linecache2==1.0.0
+packaging==16.8
+pkginfo==1.4.1
+pyparsing==2.2.0
+python-dateutil==2.6.0
+requests==2.13.0
+requests-toolbelt==0.7.1
+six==1.10.0
+traceback2==1.4.0
+twine==1.8.1
 unittest2==1.1.0