sapphire_14_18_ss_641_might_config_macros

@ryanwilliamson added support for macros in the form of "(Some.ruby_code)" to handle case of needing a timestamp value to appear in place of a variable in a Might API configuration
added support for a :peer_reset_connection flag in response .yml files to cause the socket to be closed instead of responding to better simluate real world issues