Add 0.9 and 0.95 handling to TCAPIVersion
Add 0.9 and 0.95 handling to TCAPIVersion

* Fixes failing test for About resource because of unrecognized versions
* Added new property for tracking "known" versions separate from
  "supported" versions
* Added 0.9 and 0.95 to new "known" list as they may be /about response
* Switched operator to look at known vs supported version list

brianjmiller/TinCan.NET,limey98/TinCan.NET,RusticiSoftware/TinCan.NET,nagyistoce/TinCan.NET