updated version and changes.txt

Author: ahmontero

CHANGES.txt

@@ -1,3 +1,10 @@
+Version 1.6.b5
+    + Fix some wrong variable names thanks to wummel (http://github.com/wummel)
+
+Version 1.6.b4
+    + Fixed droplet creation bug
+    + Improved docs
+
 Version 1.6.b3
     + Fixed http methods for droplets
     + Change edit_domain_record method name

setup.py

@@ -7,7 +7,7 @@
 
 setup(
     name='dop',
-    version='1.6.b4',
+    version='1.6.b5',
     description="A Python client for the Digital Ocean API",
     long_description=open('README.rst').read() + '\n\n' +
                      open('CHANGES.txt').read(),