updated logic to include retry and correct resubscribe logic , remove…

[ankurjha7]

1. Corrected resubsribe logic . Presently close connection was setting it to false which prevented resubscribing
2. Commented on_data call on non parseable message. These messages must be handled by some other callback .
3. Removed unused code like send_ping_timer .
4. added logging instead of print statements .
5. Removed unused on_message functtion
6. Removed duplicate code in unsubscribe
7. Added delayed retry in on_error
8. added functionality of client based on_error callback
9. Corrected on_close callback function template to match the one expected by websocket client

[S213412]

How to create my statrgy i am not able understand this is only python programming knowledge is there means that people can do that.