Various Go hacks.

• bintree: Package bintree is a binary search tree (BST) implementation.
• chanio: Package chanio provides a channel interface for io.Readers, io.Writers, and net.Listeners.
• cirq: Package cirq provides a circular double-ended queue implementation.
• crc16: Package crc16 implements the 16-bit cyclic redundancy check, or CRC-16, checksum.
• fixq: Package fixq provides three simple FIFO queue implementations.
• pool: Package pool implements simple object recycling pools.
• testutil:

Documentation at godoc.org.