v3.3

Cliclick version 3.3 (released 2016-11-12) compiled as x86_64.

Changes:

• Add support for numpad keys when using the “keypress” (kp) action
• Fix handling of absolute negative coordinates
• Support reading commands from stdin (use - [a dash] as filename with -f option)
• Change donation switch from -d to -n to avoid ambiguity