Added assessment pipeline
Merge pull request #10 from brian-bot/master

resolved conflicts associated with pull request 9 from jguinney
Improved exception handling of each groups results.
Merge branch 'master' of https://github.com/jguinney/crcsc into jguinney-master

Conflicts:
	groups/G/pipeline/subtypePipelineFuncs.R
Merge branch 'jguinney-master'

Conflicts:
	groups/G/pipeline/subtypePipelineFuncs.R
	groups/G/scoring/AssessmentDataObjects.R
	groups/G/scoring/AssessmentPipelineFunc.R
	groups/G/scoring/AssessmentRun.R