Refactor TimsheetHelper class #cash-141
Removing unsed imports
Final edits on #cash-141, Renaming the 'LOG' to 'log'
Merge pull request #9 from dubdabasoduba/feature/cash-141

Refactor TimsheetHelper class 
 ^cash-141 Fixed
Merge branch 'develop' of https://github.com/OpenHMIS/openmrs-module-openhmis.cashier into feature/cash-137
Merge branch 'feature/cash-137' into develop
fixed
fixed #cash-137_edits