Merge pull request #25 from jolyonb/jolyon

Jolyon
Merge pull request #26 from jolyonb/jolyon

Fixing error in BAO chi^2 calculations
made some comments

comments
Merge pull request #27 from jolyonb/jolyon

Added 1D parameter scan
small mods

mods
Minor tweaks, tightening errors in order to remove artefacts in chi^2 stuff
Merge branch 'master' of github.com:jolyonb/deevolve into jolyon