Merge pull request heliopython#826 from dstansby/cassini-v2

Cassini v2

Merge pull request heliopython#798 from dstansby/v0.8.x

Add 0.8.2 changelog

Merge pull request heliopython#758 from dstansby/v0.8.x

Add 0.8.1 changelog

Merge pull request heliopython#740 from dstansby/080changes

0.8.0 changelog

Add 0.7.1 changelog

Merge pull request heliopython#690 from dstansby/0point7changes

Changelog for 0.7.0

Merge pull request heliopython#676 from dstansby/fix-warns

Fix some warnings

Merge pull request heliopython#668 from dstansby/066-changes

Add 0.6.6 changelog

Merge pull request heliopython#663 from dstansby/065-changes

Update changes for 0.6.5

Merge pull request heliopython#652 from dstansby/bepi-sipic

Try changing bepi spice kernel loc