new geom: geom_linerange

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
geom_linerange: Support for categorical x

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
New geom: geom_pointrange

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
Cleaned up code

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
import geom_pointrange on start

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
Bugfixes: initialize warnings

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
Docstring for geom_linerange

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
Docstring for geom_pointrange

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
Tests for geom_linerange and geom_pointrange

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
More verbose notation

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
Comment in helper function for tests

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
Make code easier understandable

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
Merge pull request #339 from matthias-k/geom_pointrange

Geom pointrange