Fixes #98 phpBB Salt
WIP #48 class_debug

Removed the constructor and modified the generate_plain_backtrace function
Fixes #98

Added SMF 2 and vB 4
Merge pull request #99 from JN-Jones/fix-98

Fixes #98 phpBB Salt
Merge pull request #106 from JN-Jones/fix-48-feature

WIP #48 class_debug