Update changelgo

Update library

Release 4.2.0

Release 4.1.0

Merge pull request vinkla#22 from vinkla/elogram

Switch to Elogram

Improved service provider

Lumen 5.2 support

Release 3.2.0

Release 3.1.0

Merge pull request vinkla#17 from GrahamCampbell/patch-1

Fixed typo