extract couch request to get the meps by groups and put it into the Database class
extract couch request to get the meps by groups and put it into the Database class

stfp/memopol2,stfp/memopol2,yohanboniface/memopol-core,stfp/memopol2,yohanboniface/memopol-core,yohanboniface/memopol-core