Ikarus Scheme Source Directory

Simplified Contents:
  bin: Contains the C files making the ikarus executable.  The C
    files implement the GC, initial FASL loader, transport
    guardians, weak pairs, the symbol table, etc.
  lib: Contains the Scheme source files for the compiler and the
    rest of the development environment.
  lab: Contains sources that are in progress and were not integrated 
    into the main code.