small bugfixes for raymarcher example
don't suppress compiler messages too early
add the global 'currently loading dylib' stuff
add sys:precomp:set-dylib-name-info for all the libraries

shouldn't break anything...
bugfix for kiss_fft
log printing cleanup
bugfix for precompile stuff
getting close to auto-generating xtm.xtm
bugfix for librtmidi (wrong shlib path)