Conditional import for pyreadline
Conditional import for pyreadline

Fixes #71

MinchinWeb/jrnl,notbalanced/jrnl,philipsd6/jrnl,maebert/jrnl,cloudrave/jrnl-todos,zdravi/jrnl,dzeban/jrnl,flight16/jrnl,beni55/jrnl,nikvdp/jrnl,Shir0kamii/jrnl,rzyns/jrnl,MSylvia/jrnl