Add releases to README.md file.

Start dev branch.

Author: Misterblue

README.md

@@ -3,3 +3,8 @@ OpenSimulator module for fetching JWT authentication token.
 Provides a REST interface through the normal region HTTP connection to accept
 login credentials and return authorization tokens for later accesses.
 Also includes the routines for JWT token validation.
+
+## Revisions
+
+| 1.0.0 | Initial version for use Ragu
+| 2.0.1 | Separated into OpenSimulator module and class library for use in other apps