RESegmentedControl Versions Save

fixed issue #11

• Gradient background color added;

text Alignment issue #10 fix

• .xib module fix, related to issue https://github.com/sh-khashimov/RESegmentedControl/issues/7

• Issue #6 fix;

• Issue #5 fix;

• Issue #4: replaceItem(item :SegmentModel, atIndex: Int) API added;

• Issue #3 fix;

• Issue #2 fix;

• The optimized image loading process;
• clearCache now global method, use: RESegmentedControl.clearCache();