#87 Made GUI appear more consistent when comments were entered

[Jim Monte]

Before
ngspice 1 -> # Some comment
* Another comment
let x = 3
ngspice 2 -> * Another comment

After
ngspice 1 -> # Some comment
ngspice 1 -> * Another comment
ngspice 1 -> let x = 3
ngspice 2 -> * Another comment
ngspice 2 ->

[Jim Monte]

Code for this patch is in brach beta_jdm

commit 627dd3e8c5bc46cbe8c2ed01db8062c65d62d7bb
Date:   Tue, 10 Dec 2019 00:14:22 -0500

    Made UI more consistent when comments are entered.