Merge pull request bmitch#125 from bmitch/changelog

update changelog

Merge pull request bmitch#122 from bmitch/cleanup

Clean up code

Merge pull request bmitch#101 from bmitch/add72

Add PHP 7.2 to Travis-CI build

Merge pull request bmitch#95 from bmitch/bmitchell-#90

Fixes bmitch#90

Merge pull request bmitch#94 from bmitch/bmitchell-#67

Fixes bmitch#67

Merge pull request bmitch#87 from bmitch/bmitchell-#86

Fixes bmitch#86

Merge pull request bmitch#85 from bmitch/bmitchell-#84

Fixes bmitch#84

Merge pull request bmitch#81 from bmitch/bmitchell-#80

Fixes bmitch#80

Merge pull request bmitch#70 from bmitch/bmitchell-#63

Fixes bmitch#63

Merge pull request bmitch#69 from bmitch/bmitchell-#68

Fixes bmitch#68