Maximize plot space

Q: Y axis values eats some eight characters of very valuable terminal width.
A: Integrate all axes values with the axes as shown below

Consider even an option to remove axes completely. Values can be available by implementing #64.

```
┌100────────────┐
│               │
│               │
│               │
│               │
│               │
│               │
└1─80─────────89┘

```