Update version to 2.6.11

Bump webhook version to 2.6.10

Merge pull request adnanh#278 from adnanh/add-exe-extension-to-window…

…s-build

Fix Makefile to include .exe extension for windows builds

check before removing

Bump version

Update webhook.go

Merge pull request adnanh#158 from adnanh/development

2.6.5

Merge pull request adnanh#139 from adnanh/development

2.6.4

Merge pull request adnanh#125 from adnanh/development

webhook 2.6.3

Merge pull request adnanh#115 from adnanh/development

Support loading hooks from multiple files