Starting test_stile_utils.py (#8)
Start moving to temporary file objects for temporary files instead of making the user keep track of handles & to-be-deleted files (#8)
set up basic API for StatsSysTest objects (#6)
do not need separate file for stats objects
(#6)
add basic outline of Stats objects
(#6)
some more tweaks to the statistical systematics tests
(#6)
Merge branch '#2' into #8
Merge branch 'master' into #6
Merge branch 'master' into #8

Conflicts:
	stile/data_handler.py
	stile/stile_utils.py
change name: StatsSysTest -> StatSysTest
(#6)
error in setting params
(#6)
fill in the rest of the code for the basic version of StatSysTest
(#6)
write pretty-printing routine
(#6)
add verbose option to StatSysTest
(#6)
nan/inf check in StatSysTest
(#6)
Add NaN/Inf rejection option
(#6)
np vs. numpy
(#6)
setup file for unit tests of stats framework
(#6)
some stats refactoring to allow list/tuple input
(#6)
accommodate multi-dim arrays in StatSysTest
(#6)