Recommitting bitwise, readme, and header changes.

Sorry I'm such a git-idiot
Merge branch 'semver-1.1.0' of https://github.com/mralexgray/JREnum into semver-1.x
Let Xcode do its thing.
[TEST] Remove unused SplitEnumClient.
[FIX] NSUInteger -> int warning.
[FIX] A trailing comma would create an empty string entry.
[TEST] Add JROptions tests. Failing.
Update Copyright date, simplify semver number.
[FEATURE] JREnum(Declare) now support hex values.

This removes the need for JROptions.
Add tests supporting hex constants.
[CHANGE] Different tact: remove all whitespace at top of parse function.

Sets up up for bit shifting support.
[FEATURE] New support very simple bit-shift masks.

`1 << 0` works as does `(1 << 0)`.
[TEST] Add passing tests for bit-shifting support.
[TEST] Add passing test for 1 << 30.