Fixed bug #1025: Xdebug does not reject wrong breakpoint types (-t).
Merged pull request #117
Merge branch 'xdebug_2_2'
Fixed bug #1048: Can not get $GLOBAL variable by property_value on function context.
Merged pull request #118
Merge branch 'xdebug_2_2'
Fixed uninitialized variables usage
Fixed two test cases, of which one was influenced by this change.
Merged pull request #78
Merge branch 'xdebug_2_2'
Fixed header and output hooking procedure
Fixed a test case.

Not really related, but can't be bothered to put it in a separate PR.
Merged pull request #74
Fix bug #973: use case-insensitive filename comparison, if "xdebug.case_sensitive_fs" is false.