python3: Add language_version() method
python3: Add language_version() method

fmuellner/meson,QuLogic/meson,QuLogic/meson,jeandet/meson,becm/meson,thiblahute/meson,MathieuDuponchelle/meson,jpakkane/meson,jeandet/meson,wberrier/meson,fmuellner/meson,mesonbuild/meson,QuLogic/meson,fmuellner/meson,jeandet/meson,becm/meson,mesonbuild/meson,jeandet/meson,becm/meson,pexip/meson,pexip/meson,thiblahute/meson,jpakkane/meson,fmuellner/meson,thiblahute/meson,rhd/meson,wberrier/meson,pexip/meson,trhd/meson,thiblahute/meson,MathieuDuponchelle/meson,mesonbuild/meson,mesonbuild/meson,jeandet/meson,wberrier/meson,jeandet/meson,ernestask/meson,aaronp24/meson,rhd/meson,aaronp24/meson,rhd/meson,jpakkane/meson,wberrier/meson,MathieuDuponchelle/meson,MathieuDuponchelle/meson,ernestask/meson,rhd/meson,ernestask/meson,fmuellner/meson,trhd/meson,wberrier/meson,trhd/meson,wberrier/meson,aaronp24/meson,pexip/meson,mesonbuild/meson,pexip/meson,mesonbuild/meson,MathieuDuponchelle/meson,pexip/meson,pexip/meson,rhd/meson,becm/meson,ernestask/meson,rhd/meson,becm/meson,trhd/meson,becm/meson,mesonbuild/meson,QuLogic/meson,trhd/meson,thiblahute/meson,pexip/meson,mesonbuild/meson,QuLogic/meson,jpakkane/meson,MathieuDuponchelle/meson,thiblahute/meson,fmuellner/meson,thiblahute/meson,thiblahute/meson,jeandet/meson,trhd/meson,aaronp24/meson,ernestask/meson,thiblahute/meson,pexip/meson,aaronp24/meson,MathieuDuponchelle/meson,QuLogic/meson,QuLogic/meson,MathieuDuponchelle/meson,jpakkane/meson,ernestask/meson,jpakkane/meson,rhd/meson,aaronp24/meson,becm/meson,trhd/meson,ernestask/meson,ernestask/meson,ernestask/meson,trhd/meson,jeandet/meson,MathieuDuponchelle/meson,jpakkane/meson,pexip/meson,trhd/meson,mesonbuild/meson,aaronp24/meson,QuLogic/meson,becm/meson,becm/meson,fmuellner/meson,QuLogic/meson,jpakkane/meson,fmuellner/meson,fmuellner/meson,mesonbuild/meson,aaronp24/meson,wberrier/meson,jeandet/meson,wberrier/meson,rhd/meson,aaronp24/meson,becm/meson,jpakkane/meson