Ability to turn off the shifting of backtrace args.
Ability to turn off the shifting of backtrace args
 Added ability to pass in the PHP error context. If present this will be added as the vars for the bottom stack frame.
Use an SplFileObject to seek to the line of the PHP file we want for source context. In an incredibly lame test, this is significantly (15 - 20 x) faster than calling fgets repeatedly.
Correct license
0.4.0
Merge pull request #71 from JonathanO/faster-source-context

Faster source context.
Merge pull request #70 from JonathanO/caller-frame-unshifted-context

Caller frame unshifted context