Add note about false positive for BiocCheck in geneDrug*.R files
Fixed error in computeLoewe. Added functions for ZIP, Bliss, HSA null prediction. Added ZIP delta score function. Added function for fitting shifted Hill slop
S4 method for calculating ZIP delta scores from TRE added
Refactor computeZIPdelta into deltaZIP helper method
Update getComboProfiles to buildComboProfiles as per rename in CoreGx
Refactored computeZIPDelta. Added function to perform 2-way curve fitting.
Fix downloadPSet to also update the saved pSet object instead of just the returned object
Fix downloadPSet to resave the data after calling updateObject internally