Added a few missing extension methods to convert to Ok.
Added iFor (for iterators) to Flow, cleaned up cruft.

Also added a partial draft of Grok from the Easy I/O package (eio).
Added binary file input to Grok.  Also added an Oops that throws real exceptions.
Added Packed for packing bits and bytes in primitives.
Added to Grok byte scanning of text strings as UTF-8 in byte arrays.
Added Base64 and expanded the license information to include JFRC.