add contributors 

Release 1.7.17 update version to 1.7.17

Release 1.7.16 (DaveGamble#770) * Update version to 1.7.16 * Update contributors

Release Version 1.7.15 

Merge pull request DaveGamble#505 from Alanscut/release-1.7.14 Release 1.7.14

Update changelog 

Merge pull request DaveGamble#355 from DaveGamble/release-1.7.12 Release 1.7.12

Merge pull request DaveGamble#344 from DaveGamble/release-1.7.11 Release 1.7.11

Release Version 1.7.10 

Release Version 1.7.9