Remove unnecessary casts
Show job parameters in toString()
Testing improvements

Conflicts:
	oncue-tests/src/test/java/oncue/tests/load/ThrottledLoadTest.java
Prefer joiner to custom joining
Small refactoring
Revert "Prefer joiner to custom joining"

This reverts commit f25833be936f4d8125fd8442912badc083093081.
Merge pull request #88 from michaelmarconi/MF-small-fixes

Small fixes