Revert "Return the result of the call"

This reverts commit 673c52cec635c504385fba0c3481b65fe43954b5.
Revert "Provide a single level trace when there is an error"

This reverts commit 753013ace2aa81172ee76fe3d991673e84abba09.
Revert "Adding support for composer autoloading"

This reverts commit 6131188aa18423e4c94311eb4232e5dc3223278c.