BugFix for TDX 11.0

There were a few ticket attributes changed in the release of TDX 11.

This fixes ticket validation for those new attributes.

Summer Replacements Edition

This release includes changes that:

• gracefully handle rate-limiting from TDX
• implement most of the remaining ticket methods, including:
  • ticket tasks
  • reassignment
  • rescheduling
  • custom ticket statuses
• implement lots of bugfixes, especially in:
  • handling custom attributes
  • partial matches of names when searching for objects
  • editing tickets
• finish up unit test writing in the tickets module
• include contributing guidelines
• reorganize file structure
• rework one of the example scripts so that it reflects current capabilities of tdxlib
• implement a templated testing system that is easily customizable for any contributer

TDX Converge Edition

v0.1.7

Hotfix for release 0.1.7