The original asymmetric matcher code for Any did not work with symbols
since `symbolInstance instanceof Symbol` is actually `false` (but,
`symbolInstance.constructor` is `Symbol). This simply adds an extra
clause that explicitly checks for symbol (if available) like the other
primitive types.
Also added some missing specs for other types, like Map, Set, etc.
Fixes#1431.
This allows custom equality testers to affect asymmetric matches.
This avoid suprises when combining addCustomEqualityTester with
objectContaining or arrayContaining.
Closes#1138
