Blow up early on a bad header

Fixes #43
Merge pull request #44 from pforhan/invalid-length-in-header

Blow up early on a bad header
[maven-release-plugin] prepare release tape-parent-1.2.1
[maven-release-plugin] prepare for next development iteration
Belated CHANGELOG update for 1.2.1
Merge pull request #45 from square/ray/horse-is-gone

Belated CHANGELOG update for 1.2.1