ATS2-0.2.4

## ats2-postiats-0.2.4:

    This is the 27th release of ATS2, the successor of the ATS
    (currently referred to as ATS1) programming language. The compiler
    for ATS2 is given the name ATS/Positats, ATS2/Postiats or simply
    Postiats.

    The official website for ATS is:

    http://www.ats-lang.org

    ATS-Postiats is hosted at github:

    https://github.com/githwxi/ATS-Postiats

    Major releases of ATS2 are available at:

    https://sourceforge.net/projects/ats2-lang

    Major releases of external packages for ATS2 are available at:

    https://sourceforge.net/projects/ats2-lang-contrib

    Here is a list of major additions and changes since the last release:

    1. Fixing a bug due to abstract types being given the 'empty' name.
    2. Adding libats/theGetters
    3. Fixing a bug in ATS-extsolve (involving the s2rtdatmap generation)
    4. Fixing a minor parsing bug in CATS-parsemit
    5. Adding libatsopt, the library version of patsopt; see utils/libatsopt
    6. Adding some ifdef-guards:
       ATS_EXTERN_DEF__ for guarding the definition of ATSextern()
       ATS_STATIC_DEF__ for guarding the definition of ATSstatic()
       ATS_INLINE_DEF__ for guarding the definition of ATSinline()
    7. Adding some examples to illustrate a way of using ATS+Emscripten
    8. Supporting evaluated expressions (of the form %(...)) in statics
    9. Generally improving libatscc2js and libatscc2erl
    10. With libatsopt(JS), patsopt can now run entirely inside the browser.
    11. Adding char2int1 and fixing add_bool_bool and mul_bool_bool