remove unused arguments
add count function to moments
change formatting of header
remove using from header
add error bars to histogram
Merge pull request #23 from kjs73/histogram_extension

Small extension of moments, histogram
Merge remote-tracking branch 'origin/master' into particle_diffusion
Merge remote-tracking branch 'origin/master' into lowest_eigenvalue_ts
Merge pull request #19 from kjs73/lowest_eigenvalue_ts

Add lowest eigenvalue recorindg action
Merge remote-tracking branch 'origin/master' into particle_diffusion