saving work
passing on PubnubError object to errorCallback
adding PubnubError support
deprecating methods
added code to handle 401 and 403 for ULS
javadoc additions
javadoc comments fixes
error framework changes
adding unit tests for various resume on reconnect scenarios
adding unit test and fix for clearing request queue for subscribe worker before adding more requests
adding more unit tests for testing in multithreaded environment
changes to unit tests
changes to unit tests
changes to unit tests
changes to unit tests
making errorCallback overloaded for backward compatibility
Update README.md
javadoc comments
changes to error file
changes in error framework