[BUGFIX beta] reduceComputed ignore changes during reset.

When a chain of `reduceComputed` CPs are invalidated and a downstream CP is
recomputed, ignore any array events from upstream `reset`s.

Fix #3607.
fix link to handlebars helper
Merge pull request #3645 from shime/patch-1

fix link to handlebars helper
Merge pull request #3609 from hjdivad/fix-3607

[BUGFIX beta] reduceComputed ignore changes during reset.
Fixed small typo
Merge pull request #3653 from intuitivepixel/master

Fixed small typo
Made the session variable lowercase.
Merge pull request #3654 from MajorBreakfast/master

Made the session variable lowercase.
Removed nullified duplicate entries in features.json