StackTrace now only handle the stacktrace
Marshall exceptions with cause and stacktrace
Rewrite the stacktrace marshaller
Stop adding the stacktrace manually
Update TestStackTraceInterfaceBinding
Update TestExceptionInterfaceBinding

It nows return an array of exceptions containing stacktraces
Handle the aliases for interfaces in the stub server
Increment the version to 4.0
Add the protocol v4 to the supported ones in the stub
Increment raven-Java client to 4.0
Update protocol version to 4
Handle exception as a list of exceptions
Add a stacktrace element to exception
Remove old test
Support property aliases with multiple setters
Remove unused imports
Give elements to parse the Message interface
Add elements to parse the StackTraceInterface
Merge branch 'refactor' into refactor-3