v1.2.0: Add spinners support

Add spinners (40 different spinners) support.

Stable release, fully backward compatible.

v1.1.0: Add support for UCS4 characters set

If compiler/OS/terminal have support for UCS4 characters (iso 10646) forbear accept strings in that unicode standard.

Stable release, fully backward compatible.

v1.0.1: Enable travis deploy

Stable release, fully backward compatible.