Version 2.0.0

Updated to the latest version of the LTI class library which includes support for LTI 1.3
Changed teminology from Tool Consumer to Platform in line with the changes made by IMS
Added support for installation using Composer
Added configuration URLs for Canvas (required to workaround a bug in its signature generation)

Release 1.2.00

Updated to include support for mysqli 5.1.72 (and earlier).