Fixup responder trying to read nil in case of errors coming from above, adding some XML parsing tests
Disabling multiprocessor support since benchmarks have shown a decrease of performance due to additional tasks management. To be reviewed in future Go versions when scheduler will be reconsidered
Fixup time parser to support 0 as timestamps sent by FreeSWITCH
Adding TotalCost to export stats
Merge branch 'master' into console-ng