Added str.splitlines().
Added str.splitlines().
Added uuid with support for uuid4 generation (RFC 4122, version 4).
Importing uuid into Python test script.
Removed redundant import.
Added str.isspace().
Added string ranges for various character classes.
Implemented isSpace() without using regexp.
Added: str.isalnum/isalpha/isdigit/islower/isupper/istitle.
Changed to correct implementation status.
Added str.swapcase().