Fix scripts OPy/byterun build/test scripts.

For now, it goes like this:

    cd opy/
    ./build.sh oil-repo  # build with OPy
    ./test.sh oil-unit  # run with CPython
    ./test.sh oil-unit-byterun  # run with byterun

There are still 3 test failures, prior to Yorba's fix.

opy/build.sh

@@ -116,6 +116,9 @@ _fill-oil-tree() {
  # Needed for help text.
  ln -v -s -f --no-target-directory $PWD/../_build $dir/_build

  # Running core/process_test.py depends on this existing!
  mkdir -v -p $dir/_tmp

  #make-mains $dir
}

@@ -134,12 +137,6 @@ oil-repo() {

  _fill-oil-tree _tmp/oil-ccompile/ 
  _fill-oil-tree _tmp/oil-opy/

  #_compile-tree $src _tmp/osh-compile2/ compiler2 "${files[@]}"

  # Not deterministic!
  #_compile-tree $src _tmp/osh-compile2.gold/ compiler2 "${files[@]}"
  #_compile-tree $src _tmp/osh-stdlib/ stdlib "${files[@]}"
}

_oil-bin-manifest() {

opy/byterun/pyvm2.py

@@ -223,8 +223,8 @@ def dispatch(self, byteName, arguments):
            #tb = sys.exc_info()[2]
            #traceback.print_tb(tb)

            debug1("Caught exception during execution of %s: %d", byteName,
                   len(self.frames))
            #debug1("Caught exception during execution of %s: %d", byteName,
            #       len(self.frames))
            why = 'exception'
            self.except_frames = list(self.frames)

@@ -937,7 +937,7 @@ def call_function(self, arg, args, kwargs):
        #debug1('do_wrap: %s', do_wrap)

        if do_wrap:
            debug1('*** WRAPPING %s', func)
            #debug1('*** WRAPPING %s', func)
            #debug1('%s', dir(func))
            #debug1('__doc__ %s', func.__doc__)

opy/common.sh

@@ -54,7 +54,9 @@ _ccompile-one() {
  misc/ccompile.py "$@"
}

# NOTE: Exclude _devbuild/cpython-full, but include _devbuild/gen.
# NOTES:
# - Exclude _devbuild/cpython-full, but include _devbuild/gen.
# - must exclude opy/testdata/, because some of it can't be compiled
# Has some similiarity to test/lint.sh, but not the same.
oil-python-sources() {
  local repo_root=$1
@@ -66,6 +68,7 @@ oil-python-sources() {
    -name _deps -a -prune -o \
    -name _regtest -a -prune -o \
    -name cpython-full -a -prune -o \
    -name testdata -a -prune -o \
    -name Python-2.7.13 -a -prune -o \
    -name '*.py' -a -printf "$fmt"
}