Added fp alternatives of set, unset and update helpers

• Update build script, docs 2c74142
• Bump version to 1.5 9734e63
• Check all exports are exported by index.ts f26ec11
• More helpers (#18) 42d26cd
• Use typeguards in filter 1ff7b2f
• Create fpSet function (composable set) (#17) b767828
• Create pipe and compose helpers 107801a
• Change structure (#16) d3c9ddb

v1.4.1...v1.5.0