DEFCALLBACK: BASIC-FOREIGN-TYPE is not defined on conses, compensate for that
Simple condition definition utilities from pergamum
Contextualised failure signalling infrastructure
FOREIGN-TYPE: ensure that the type slot is not NIL
Contextualise wrap failure conditions and report them within top-level context
Report total wrap failures, in an easy-to observe summary
A better .gitignore
Report things, absence of which caused other things to fail
Properly report compile-time wrap failure summary
Properly report load-time wrap failure summary
Merge pull request #12 from deepfire/master

Massively better handling for undefined types and error reporting.