Added separation between exp_g and exp_t
Added CpG data parser, and fixed several bugs
Removed superfluous first parameter from _bulkPrepare
Added use of validateAndEnactEntry method, which will check the validity of the entries before any
data is prepared to be submitted.
Fixed typo on module declaration
Mapper initialization moved earlier in the code
DCC loader has been adapted to store CpGs described in data_files.index in a different concept.