Formatting update to the perf harness.

Add support for travis-ci on Linux.

Fix crash when parsing huge exponent numbers. Issue #55.

Fix the Linux build for downstream compat.

Removed Freddy dependency.

Minor additions to the readme.

Better integer/double value output for stringify()

Add ability to print the JSON flat.

Add ability to print the JSON flat.

Added Docker support and Linux support.

Note that there some disable tests for Linux currently.