Removed deprecated Obj-c methods when casting a cstring to an NSString. Set encoding to be Unicode.
Merge pull request #14 from charlierm/master

Deprecated Obj-C methods replaced.
Made a mistake and commited wrong changes.

The last changes were a mistake and broke the Obj-c wrapper. Sorted
using UTF8String and not deprecated.
Merge pull request #15 from charlierm/master

Swapped deprecated cstring method for utf8 string.
Merge pull request #1 from 38leinaD/master

Merge from original repo