Merge pull request #78 from ProgramFOX/master

Added delete() method for Message
Catch and retry certain web errors

This change will retry requests ConnectionError and Timeouts a maximium of 5 times

After the 5th error, it will re-raise the exception
Merge pull request #82 from AWegnerGitHub/Retry_Weberrors

Catch and retry certain web errors
Fixes typo.

The word "assign" is misspelled.
Merge pull request #83 from Vincentyification/patch-1

Fixes typo.