Update travis to use PyPI API token, version bump (google#898)

Use default SIGINT handler if no tests are running. (google#897)

* Move signal.signal() registration from package __init__ to Test.execute

* Revert "Move signal.signal() registration from package __init__ to Test.execute"

This reverts commit 6f6729c.

* Use default SIGINT handler if no tests are running.

Third attempt to update deployment password. (google#875)

Second attempt to update travis pw, and version bump for deploy. (goo…

…gle#874)

Update to version 1.4.0. (google#873)

Update version to 1.3.0 (google#776)

Update version to 1.2.3 (google#741)

Update version to 1.2.2 (google#707)

Updating version to include two fixes by jettinsonjoe:
- google#705
- google#706

Fix setup.py for systems with older setuptools. (google#703)

* User safer platform detection in setup.py dependency declaration.

* Rev patch version number.

Update version to 1.2.0 (google#689)