Null check for push/unshift, fixes #166
Update gitignore
Add composer autoload
Update to use menu elements
Expose goInvoke function
Merge branch 'master' of github.com:BrightFlair/PHP.Gt
Extract content to separate PageTool
Merge branch 'master' into 87-Blog-PageTool

Conflicts:
	PageTool/Blog/Database/_CreateTable-004-Blog_Article.sql