Moved to working dir
Spread.read reads information case-independent
self.times function removed in Spread, clashes with list
combining with mean and std implemented
combining works
restructured to function for easy work in ipython
modified function input
added script for modifying times of spread files
Spread.plot cleaned up, error and relative functionality added
standard devation changed to standard error of the mean
script options implemented correctly, multiple plotting works
renamed to proper script
bumped version number for new feature