Allow to change colors

[pochemuto]

It would be great to allow to change colors. My terminal color scheme displays up command line in low contrast.

[pochemuto]

Adding option to disable colors at all could be also a workaround.

[akavel]

#47 merged, thanks! I'm keeping this open as a possibility to change the color scheme is still a feature idea that can be considered in future.

[nkh]

it would be great if the installation package also included this