changed functions.tex import, importing all pycode snippets from pythontex/...
make sure not to ignore pythontex directory
addes summary!
added some statistics refs
now storing all pythontex snippets here
moved functions.tex to pythontex/ , now including general preamble with ttest abd friends
added m_sa, a, b_os, b_p sections. Rehauled figures, already wrote some of the m_sa content, using
ttest_rel instead of ttest_ind now
moved to pythontex/