QEventLoop: Implement add_reader and add_writer

Conflicts:
	conftest.py
Implement remove_reader and remove_writer
Merge pull request #7 from aknuds1/socket

Implement add_reader, remove_reader, add_writer, remove_writer
Fix QApplication usage
Fix QApplication usage
Fix doctests
Ignore Windows logic on non-Windows and vice versa
Fix QApplication usage
Fix QApplication usage
Fix doctests
Ignore Windows logic on non-Windows and vice versa
QEventLoop: Implement add_reader and add_writer
Fix whitespace
Fix potential timer problem
Add ignore
Increase timeout in test, to avoid false negatives
Merge branch 'mysocket'

Conflicts:
	conftest.py