Changes to defaults to make Janet build better out of the box on more platforms.
- Add
JANET_HASHSEED
environment variable whenJANET_PRF
is enabled. - Expose
janet_cryptorand
in C API. - Properly initialize PRF in default janet program
- Add
index-of
to core library. - Add
-fPIC
back to core CFLAGS (non-optional when compiling default client with Makefile) - Fix defaults on Windows for ARM
- Fix defaults on NetBSD.