Fixes #660 reported by @simoneliuzzo: the strength of a solenoid should be K instead of KS.
In atsolenoid, the strength may be inout either in the 3rd positional argument (no problem), but also as keyword KS. This is kept for compatibility, and the correct K keyword is added: any can be used.
Fixes #660 reported by @simoneliuzzo: the strength of a solenoid should be
Kinstead ofKS. Inatsolenoid, the strength may be inout either in the 3rd positional argument (no problem), but also as keywordKS. This is kept for compatibility, and the correctKkeyword is added: any can be used.