Add auto-pdb fallback when not in translated mode for target
Add test for external and environmental stuff

Here: Commandline
Preps for benchmarks

Includes
 * In-VM execution of racket to produce .json files
 * Marginal support for commandline options (e/f/u/t/ etc)
 * Character literals
 * Restructured folder, just execute

         PYTHONPATH=$PYPY python pycket myfile.rkt

   in the top folder.
 * Access to commandline arguments
 * (a possible rpython bug....)
Travis fix
Fix the translation
Fix some tests
Fix some tests

 * Fix entry_point tests, there are suffixes now.
 * Fix basic test, with the change to expand_racket,
   "1 2" and "(1 2) 3" is now syntactically valid
 * Minor refactoring in expand
Don't let slip output from expand_racket to pycket

so that output of expand_racket does not show up as pycket output.
Fixes 2 tests
Travis: Make 2 translations
Missing test file
Ignore binaries
update readme
Make pycket-slow explicitely use -m, reoder readme
Add a few missing arithmetic ops.
Fix silly problems with shadowing in the stdlib, and case (I think).
Add string ops.
Add missing stdlib functions.
write "\n" does not what I thought it does
Support compare on fixnum/flonum paris

Necessary for simplex
allow stdlib for tests