Fix coverage reporting

Add Melrōse to "Who uses Expr?" section

Co-authored-by: Anton Medvedev <anton@medv.io>

Improve now() and date() validation

Remove implicit date's timezone set on parse

Fix printing on conditional/binary nodes

Fixes #613

Revert "Optimize boolean operations between all, any, one, none funct…

…ions (#555)" (#625)

This reverts commit 3c03e59.

Better map ast printing

builtin `int` unwraps underlying int value (#611)

Fix naming

Fix pipeline and call parsing