test files for adcpt_acfgm_dcl_pd0
Merge pull request #20 from JeffRoy/adcpt_acfgm_dcl_pd0

test files for adcpt_acfgm_dcl_pd0
instrument control stores particles in dict by stream/ts
validate instrument retrieve multiple records with retry
Merge pull request #19 from petercable/samples

improved sample handling