Merge pull request #109 from L0neGamer/deprecate-function-instance

Deprecate function instance

bump package version

update changelog

bump patch version for 9.6 support

update readme

base dependency changed to force to use ghc >= 8

v1.4.6.1

- revert 'infixr 0 `deepseq`'

deepseq-1.4.4.0-r1

matching http://hackage.haskell.org/package/deepseq-1.4.4.0/revision/1.cabal