If result guaranteedly fits in a small int, it is handled in objint.c.
Otherwise, it is delegated to mp_obj_int_from_bytes_impl(), which should
be implemented by individual objint_*.c, similar to
mp_obj_int_to_bytes_impl().

This makes MicroPython app running in QEMU be pingable from the host (by
following QEMU networking setup instructions,
https://www.zephyrproject.org/doc/samples/net/qemu_setup.html).

In anticipation of enabling more features in the default build. Also, fix
compilation of minimal build.

If, for example, the code-size check failed we would still like to run the
coveralls coverage analysis.

The if-block that this unreachable code is in has a condition "f>=5" so
"fp_isless1(f)" will always fail.

This implements flow control in case user does not call recv method often
enough (it tells host side to stop sending more data).

respones -> response
succeses -> successes

paramter -> parameter
send a receive -> send and receive
repsonse -> response
particualr -> particular
constructore -> constructor

Previouly, we had errors checked in callers, which led to duplicate code
or missing checks in some places.

This helps to improve code coverage.  Note that most of the changes in
this patch are just de-denting the cases of the switch statements.

In this case it's allowed to be ignored.

Arguments to throw() for generators don't need to be exceptions.

If GeneratorExit is injected as a throw-value then that should lead to
the close() method being called, if it exists.  If close() does not exist
then throw() should not be called, and this patch fixes this.