Added env var querying for default and bool
Added env var querying for default and bool

kivy/buildozer,dvenkatsagar/buildozer,rnixx/buildozer,inclement/buildozer,kivy/buildozer,rnixx/buildozer,kivy/buildozer,rnixx/buildozer,kivy/buildozer,superalex/buildozer,rnixx/buildozer,cbenhagen/buildozer,inclement/buildozer,techtonik/buildozer,inclement/buildozer,bob-the-hamster/buildozer,kived/buildozer,inclement/buildozer,kived/buildozer,techtonik/buildozer