More flexibility in the stacktrace generation.
Cast line number to an int.
added ability to map severity so we can turn off deprecated warning.
reapply patch for sentry to not report when @ used to signal error is ok
fix bad scope
Correct references to constants in tests
Merge pull request #60 from cloudflare/4fbacb5c8f51c24a31acf9dbbc9d2f94a0d29357

added ability to define custom severity mapping
Only call getSeverity when its available
Correcting typing errors
Creating a method to send sql query
Update lib/Raven/Client.php

Fix call to getallheaders() that exists only if PHP is loaded 
as an Apache module.
Merge pull request #62 from scardine/master

Fix call to getallheaders()
Merge pull request #61 from rbas/master

Correcting typing errors
Merge pull request #59 from adurieux/stracktrace-options

More flexibility in the stacktrace generation.