updated
Fixed bad constructor
Issue 224: ExponentialBackoffRetry was not protected against edge-cases where a too big maxRetries argument
was used. It now also incorporates a maxSleep value.
Made DEFAULT_MAX_SLEEP_MS IntMax to prevent breaking existing code
tightened some tests
Prep for 1.2.6 release
Merge pull request #229 from Randgalt/master

Prep for 1.2.6 release