Created tests for NamedThreadFactory
Added tests for ImageHashJob
Added tests for GroupListPopulator
Replaced stack trace with message
Replaced magic numbers with variables
Added getter for pHash
Added test for IgnoreRecord
Added tests for HashWorkerPool
Added tests for ImageProducerPool
Added missing @Test
Removed null check
Removed unused strategies
Added tests for FilterSorter
Pass PhashWorker to constructor instead of DbWriter
Removed unnecessary sleep
Added tests for ImageIndexer
Added tests for ImageLoadJob
Removed unneeded catch block
Fixed last path not remembered
Added check for null path