Implemented backtrace for fatal errors using xdebug
Implemented backtrace for fatal errors using xdebug

nonconforme/whoops,UnderDogg/whoops,staabm/whoops,UnderDogg/whoops,Vmak11/whoops,staabm/whoops,michabbb-backup/whoops,stefen/whoops,nonconforme/whoops,filp/whoops,stefen/whoops,Vmak11/whoops,michabbb-backup/whoops,filp/whoops