getsentry/semaphore 3 pull requests

• ref: Simulate half of await with macro Aug 26
• test: Fix the tests for travis Aug 26
• feat: Added correct limits to all forwarded requests Aug 27

untitaker/python-atomicwrites 2 pull requests

• WIP Add AtomicFolder Aug 12
• Passes kwargs through AtomicWriter and uses io.open as opener Aug 24