fix time series when drill down not possible
update worksheet to use new document association framework
fix typo
prevent different business objects with the same id picking up each others document associations
bump node version in travis yml
readme channges
Merge pull request #191 from jgunderson/readme

readme channges
Merge pull request #177 from jgunderson/drillf

fix time series when drill down not possible
Merge pull request #187 from shackbarth/bump-ci-node

bump node version in travis yml
Merge remote-tracking branch 'XTUPLE/4_8_x' into 22244-document
Merge pull request #184 from shackbarth/22244-document

issue #22244: refactor document associations
Merge branch 'ext48' into map