1.2.0

Additions

• Use group() to collect constraints into an array.

Changes

• Update to Swift 4.2.

1.1.0

Additions

• Support system spacing in iOS 11, use SystemSpacing in place of constant.
• Support offset anchors in iOS 10, use offset() and - operator for axis anchors.
• distribute[X|Y]EqualSpacing() distribute items with equal spacing.
• triple() on multiple items creates constraints for every three items.

Changes

• Migrate to Swift 4.
• constrain and layout extensions are renamed to bb and bbm respectively.
• before() and after() respect language direction.
• distribute[Horizontally|Vertically] are renamed to distribute[X|Y], additional inset parameter is added.

1.0.0

Initial version.