Update install

Removed unnecessary isInstalled() function
Update install

Streamlined for loop syntax
Updated install script
Included commands to download and install the setuptools package
Merge branch 'master' of github.com:BerkshireKnight/PiTunes

Conflicts:
	install
Removed install script, to replace
Added new install script
Fixed install script
Fixed error where Python version was not being read properly. Fixed download URL for setuptools download.
Merge pull request #12 from BerkshireKnight/master

Fixed install script