Expose oldDoc in the server events

Bump version to 2.7.2

Merge branch 'v2' of github.com:jagi/meteor-astronomy into v2

In number diff check for NaN

Update HISTORY.md

Bump version to 2.7.1

Merge branch 'v2' of github.com:jagi/meteor-astronomy into v2

More logging options

Update HISTORY.md

Bump version to 2.7.0

Update lodash to newest version

Add fields option to getModified and getModifiedValues methods

Fix typo in HISTORY.md

Update HISTORY.md for version 2.6.3

Merge branch 'v2' of github.com:jagi/meteor-astronomy into v2