completely new written snuvi script interpreter

Kajetan Johannes Hammerle c950deb271 sgoto with invalid label is logged correctly 3 lat temu
src c950deb271 sgoto with invalid label is logged correctly 3 lat temu
test 152fc6bd42 bugfixes 4 lat temu
.gitignore 152fc6bd42 bugfixes 4 lat temu
build.xml 152fc6bd42 bugfixes 4 lat temu