NF: Add 'authors' section to a SPEC
BF: More robust interpreter detection, store shebang, import exception storage
ENH: Trying to save on memory
RF: Factor out array reader
ENH: Test text file format tag guessing
NF: Import IO code for AFNI's 1D files from AFNI sources

This has been taken from AFNI as of Apr 20, 2012.
ENH: Adopt AFNI in the family
BF: Typos
ENH: Also test AFNI's 1D files; and guess its tags
NF: Initial draft of a test that mimicks FSL FEEDS FEAT in AFNI

Contributed by Nick Oosterhof.
Dump accumulated changes.