retropie-setup - bump version to 4.8

runcommand - cosmetic / fix bad indentation

Merge pull request RetroPie#3251 from cmitu/lr-mame-build-update

lr-mame, mame: use python3 to build recent mame versions

retropie-setup - bump version to 4.6

retropie-setup - bump version to 4.5.1

retropie-setup - bump version to 4.5

retropie-setup - bump version to v4.4

retropie-setup - bump version to 4.3

bump version to 4.2

bumped version to 4.1