Set an Error handler to track PHP E_ERROR & E_PARSE

git-svn-id: https://plugins.svn.wordpress.org/events-manager-ess/trunk@812884 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update to allowed URL to be encoded in non UTF-8 chars

git-svn-id: https://plugins.svn.wordpress.org/events-manager-ess/trunk@812901 b8457f37-d9ea-0310-8a92-e5e31aec5664
Retro compatibility with PHP <= 5.3

git-svn-id: https://plugins.svn.wordpress.org/events-manager-ess/trunk@812924 b8457f37-d9ea-0310-8a92-e5e31aec5664