Switch to microtime for start and end timestamps

2.0.2

Support microtime for logging

Issue #1 database error protection

Any database errors when logging job start or end events, are caught and send to the error log instead. This does not solve the "database not reconnecting automatically" problem, but it does allow the scheduler to catch that in the running job, assuming the job being run does not already run in its own process.

First release of Bluejay branch

This branch logs additional details, and introduces an eloquent model.

Changes may be split up and pushed back to the original project given time.