Update README.md

Author: m-strzelczyk

README.md

@@ -1,4 +1,11 @@
-usosapi-python
+Usosapi module
 ==============
 
-Python 3 module for desktop applications.
+This module is created to help Python developers use USOS API 
+without the need of learning how to use any OAuth libraries.
+
+Requirements
+============
+There are two Python packages required for this module to work:
+ * [rauth](https://github.com/litl/rauth)
+ * [requests](https://github.com/kennethreitz/requests)