added collection input to atlas_query_voxel and atlas_query_region. also improved error messages
added collection input to atlas_query_voxel and atlas_query_region. also
improved error messages
NeuroVault/NeuroVault,chrisfilo/NeuroVault,chrisfilo/NeuroVault,erramuzpe/NeuroVault,erramuzpe/NeuroVault,erramuzpe/NeuroVault,erramuzpe/NeuroVault,burnash/NeuroVault,chrisfilo/NeuroVault,NeuroVault/NeuroVault,NeuroVault/NeuroVault,chrisfilo/NeuroVault,burnash/NeuroVault,chrisfilo/NeuroVault,erramuzpe/NeuroVault,burnash/NeuroVault,NeuroVault/NeuroVault,burnash/NeuroVault,burnash/NeuroVault,NeuroVault/NeuroVault