UIImageView+Letters v1.1.4

[fix]: reduce minimum required iOS version to 6.0

UIImageView+Letters v1.1.3

[feature]: improved color randomization by seeding drand48() function (#15)

UIImageView+Letters v1.1.2

[feature]: Added support for custom font attributes
[fix]: Reduced font size multiplier

UIImageView+Letters v1.1

[Feature]: new setter parameter for custom fonts
[Feature]: emoji support
[Fix]: removed potential invalid context issue

v1.0

Merge pull request #2 from lukaskollmer/master

Added CocoaPods support