-Replaced unwind-protect with handler-case in buffer!
-Split session off into separate file
-debug! now outputs a requests' parameters
-Inlined some intermediary functions for `start`. Actually clearer this way
-Closed parens in the README line about additional threads
-Parameters in stream-handlers are now ignorable
-The main house loop no longer chokes on warnings
-Main house loop now sends a 500 - internal server error on handler errors
-error! now takes an optional instance parameter (mostly for logging purposes)