v0.6

Last release for v0. The next release will be a cleaned up v1.

Main changes:

• Improved compression handling in aio.
• Added Queue, CapMap and Enumerator to snm.
• Added csvdec/v3.
• Deprecated nlock.
• New features in iterx, flagx and hll.

Change log: v0.5.0 -> v0.6.0