topclock tweaks
change *xtmlib-foolib-loaded* syms to match filenames
add some file path helper functions to scheme.xtm
add file-exists? to scm
remove old llvm module export helper

now you should use sys:precomp:compile-current-module
bugfix for extempore repl mode
more *xtmlib-foolib-loaded* symbol bugfixes
remove preload check for particles
reorder loading of instruments-scm.xtm scheme file
fix typo *seconds* -> *second*
fix the bug in bind-val/bind-lib-val for precomp
separate out -scm.xtm files for scheme code
separate out assimp scheme stuff into assimp-scm.xtm