Merge pull request #417 from WiringPi/develop

WiringPi 3.18

Merge pull request #366 from WiringPi/develop

Release 3.16

Merge pull request #312 from WiringPi/develop

Release 3.14

Merge pull request #306 from WiringPi/develop

Release 3.12

Merge pull request #284 from WiringPi/develop

Develop

Merge pull request #273 from WiringPi/develop

Release 3.8

Merge pull request #253 from WiringPi/develop

Release 3.6

Merge pull request #235 from WiringPi/unittest33

Release 3.4

Merge pull request #209 from WiringPi/develop

Release 3.2

Merge pull request #196 from WiringPi/revision

Revision 3.1