Impromptu updated to v1.4

Impromptu has been updated to version 1.4.

Major Additions (incl. upwards of 200 new user functions):

• Over 150 new vDSP, vImage and veclib functions for data processing.
• New functions for interoperating with binary data more easily and efficiently (objc:data:*).
• Movie performance has been improved and now supports all QT formats.
• iChat Theater support for remote AV performance (simply drag and drop impromptu into your ichat session for live AV streaming).
• Improved CoreImage filter support (gfx:make-filter gfx:apply-filter and gfx:set-filter-param).
• New opengl functionality.
• New text rendering support.
• New channel mapping AU.

Major Bug Fixes:

• Multi-channel audio updates (more flexible API).
• Scheme string port fixes (string ports used to crash in callbacks).
• Added OSC timestamp support (also added NTP support which can be used with OSC).
• Kore Player instantiation fix.
• OpenGL canvas now supports key and mouse events.