• Add methodsxor() andxorNot() to the interfaceSpec (and implementations).

• Add classXor and sugar functionxor()
• Add classXorNot and sugar functionxorNot()
• Change class members' visibility fromprivate toprotected

New

• Add syntax sugar. Update examples in README.md to show them.

Change

• Avoid unnecessary files from being published

New

• Add classEmpty
• Addcontributing.md

New

• New classesAll andAny (by@sdedovic)

New

• New type definition forSpec
• New classes
  • StrictEqualTo
  • SameValueAs
  • StrictSameValueAs
  • SameTypeAs
• New tests

Upgradedevelopment dependencies

Removes "_" from classes' names