Merge pull request #2 from jstern/master

0.12.1 Changes
bump version
Merge pull request #4 from jstern/merge-datetype-fix

Merge datetype fix
Merge branch 'master' of github.com:leapfrogdevelopment/scio
Incorporating change from public repo; bumping version
Merge pull request #6 from bmccollam/master

Incorporating logging change from public repo; bumping version
Add top-level Makefile
Make Makefile install the project
Add doc requirements file
Put built docs in proper location
handle xsi type that is not the same as xsd type
leave version alone
rebump version
merge
handle binary time 'string' from pickle
bump version
Merge pull request #9 from jstern/fix-time-unpickling

handle binary time 'string' from pickle
update changelog through 0.12.5
update doc minor release
Merge pull request #8 from jstern/catchup

Catchup