State by me

Added:

• Separate state logic.

Copy of copy

Added:

• Add copy for texts
• Default line break mode. Related to #13.

Joining

Added:

• Missing attributes: ligature, shadow, strokeColor.
• Texts and strings concatenation via custom + operator
• Array extension for texts joining with separator

text == text

Added:

• Equatable for texts
• Bounding rects for texts

Fixed:

• Update linking from static to dynamic. Based on Carthage/Carthage#2363

Let's start

Added:

• Applying attributes with strong typing and autocompletion.
• Cache for attributes.
• Substyles.
• Convenient extensions for String and UIButton.