Pull together everyone's contributions#32

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mpontillo wants to merge 39 commits intozsaleeba:masterfrom

mpontillo:master

Commits on Jun 1, 2015

Rename README to README.md
thewarpaint
committed

Commits on Jun 2, 2015

Fugly hack to make the tests pass for non-64-bit platforms
e8johan
committed

Commits on Aug 11, 2015

Fix all the type cast warnings by adding explicit casts.
galacticstudios
committed
Add some documentation from the old Google Code site
galacticstudios
committed
Add run_tests, an executable that runs all the PicoC unit tests
galacticstudios
committed
Fix string functions under Windows. index() is the same as strchr() and rindex() is the same as strrchr().
galacticstudios
committed
Execute scripts in their own directory. Have the unit tester dump the output file when PicoC exits with an error.
galacticstudios
committed
Fix errors in the 65_typeless unit test
galacticstudios
committed
Compile as a 64 bit executable in Windows
galacticstudios
committed
More type casts to eliminate warnings. Compiling as 64 bits caused new warnings to appear when 64 bit size_ts were being put into 32 bit ints.
galacticstudios
committed

Commits on Aug 13, 2015

Fix some problems with 64 bit ints. Also fix unsigned right shifts (most of the csmith unit tests now work).
galacticstudios
committed

Commits on Aug 15, 2015

Fix Issue 130 from Google Code (https://code.google.com/p/picoc/issues/detail?id=130), where dereferencing a non-pointer causes a crash.
galacticstudios
committed

Commits on Aug 17, 2015