[#61375058] raising an error if number of retries greater

then the setting's value
[#61375058] improved the raised exception
bumped the version to 0.4.3.pre
fix typo in the error message
Merge pull request #71 from ke4/61375058_on_uat

Raise an exception if the application reached the number of retry querying the Oracle CAS DB to get the next plate id.
This setting is configurable in the configuration file.
Travis build is passed.
[#64235818] added exception notifier
added config to exception notifier
Merge pull request #72 from ke4/64235818_add_exception_notifier_to_uat_branches

64235818 add exception notifier to uat branches
Bumped the version to 0.5.0.pre
Merge pull request #73 from ke4/64235818_add_exception_notifier_to_uat_branches

Bumped the version to 0.5.0.pre
Added missing require: fileutils
Fixed root JSON (added bulk_update_labels)
merge 0.5.0.pre UAT (exception notifier, too)
Merge pull request #79 from ke4/63957550_add_ex_notifier_to_master

Merged 0.5.0.pre UAT to master
Also adds exception notifier to master.
Travis build has passed.