Add variadic fx<, fx=, etc to _t-univ.scm
Add variadic versions of fxwrap+, fxwrap-, etc to _t-univ.scm
Refactor _t-univ.scm to prepare for implementing other primitives and add tests.
Implement 2 argument ##fxmin and ##fxmax in _t-univ.scm
Fix "make check" issue with reading error.scm on Windows.
Add ##set-car! and ##set-cdr! to _t-univ.scm
Stylistic improvement (avoid toplevel loop in _t-univ.scm)
Add abstraction for runtime class declarations in _t-univ.scm
Implement class declaration for PHP, Python and Ruby in _t-univ.scm
Implement ##fxnot, ##fxand, ##fxior, ##fxxor in _t-univ.scm
Fix typos.
Add support for building Gambit with emscripten C to JavaScript compiler
Fix arity problem with ##fx-?
Improve configure script checking of fcntl, tcgetattr, tcsetattr.
Add real-time-milliseconds to _t-univ.scm (for benchmarking)
Force little-endian when compiling with EMSCRIPTEN.
Avoid issue with ISO C90 compilers ("this decimal constant is unsigned only in ISO C90")
Implement real-time-milliseconds for all targets of _t-univ.scm
Introduce ___SIZE_T, ___SSIZE_T and ___PTRDIFF_T to handle memory models where "long int" is not the same size as "void*" (e.g. on 64bit Windows which uses a IL32LLP64 memory model)
Add size_t, ssize_t, ptrdiff_t types to C-interface.