Closes #1916.

Add some missing signal declarations such as SIGPWR

Considered to make it a warning, but CPython's forgiving behaviour seems unhelpful.  Can still make it a warning later.
Closed #1905.

Fix compiler crash when analysing a complex name as a type using sizeof(X) translation. Requires type analysis before the "arg_type" is set.
Closes #1908.

Prevent config lookup of "C line in traceback" option from clearing the live exception and calling setattr() with a live exception set.
Closes #1907.

Closes #1906.

Prevent config lookup of "C line in traceback" option from clearing the live exception and calling setattr() with a live exception set.
Closes #1907.

Closes #1906.

Disable "numpy_parallel" test on Windows as it seems to fail based on the MSVC version (seen on appveyor).

Exclude Py3.3 from appveyor builds as it is out of maintenance anyway and isn't really supported by external packages anymore.

Update Coverage.py