v0.000_003

  - Provide POEx::ZMQ->socket() constructor shortcut

  - Prefer libzmq.so.3 over libzmq.so
    (Might be reverted. I'm running into systems with libzmq.so pointing to
    ZMQ2 and libzmq.so.3 available.)

  - Various test expansion/fixes

  - Really fix bad-version BAIL_OUT. ... I think.

  - MetaNoIndex for tools/