wrap orig function
construct dictionary idiomatically
use correct subscript form
use correct subscript form
use correct subscript form
make aggregation function use dict rather than sqlalchemy tuple
make retouched data available by an id
add artefacts for test
add tests for aggregation function
update test rig
DRY
fix travis filename
Merge branch 'master' into refactor-aggregation
be more idiomatic about autoinc
guard against unbound name in branch
tidy up conditions branches
be more careful re indexerror
be more careful re keyerror
add legibility blank lines
make poor man's autovivify slightly more affluent