BF: Fix MultiStairHandler addReponse and next. Detail: every multi
handler would lose first intensity and miss align intensities and
responses.
DOC: new demo for using encryption with pyFileSec
FIX: Use int argument
Merge pull request #416 from isolver/master

ioHub Updates: See Commit entries for details.
Merge pull request #417 from Eric89GXL/int-arg

FIX: Use int argument
Merge pull request #415 from jeremygray/demo-encrypt

DOC: new demo for using encryption with pyFileSec
Merge pull request #413 from ZhiliZheng/master

BF: Fix MultiStairHandler addReponse() and next().
ENH: Replace has_key() for dicts with in operator

The method has_key() for dict objects is deprecated and not supported in
Python 3. For improving upward compatibility three uses of has_key() for
dicts not leaving the functions have been replaced with the in operator.
ENH: Replace has_key() for dicts with in operator

The method has_key() for dict objects is deprecated and not supported in
Python 3.x. To improve upward compatibility several uses of has_key() on
dicts in class object attributes have been replaced with an in operator.
ENH: Correct typo in source comment
DOC: Correct typo in documentation
Merge pull request #418 from philippwiesemann/master

ENH: Replace has_key() for dicts with in operator
DOC: added Notebook crash course

Also better layout
Merge pull request #419 from qbilius/master

DOC: added Notebook crash course
FIX: Need maxInputChnls
FIX: Fix catch
BF: uninitialized variable when drawing ISI
Merge pull request #420 from Eric89GXL/chnl-fix

FIX: Need maxInputChnls
Merge pull request #421 from piwaniuk/isi-draw

BF: uninitialized variable when drawing ISI
Merge branch 'master' of git://github.com/psychopy/psychopy