finite-element-analysis

@robbievanleeuwen this is potentially related to #159. But I've noticed with what appears to be a reduced default size of the plots from matplotlib that some portion of the legends on certain plots are disappearing off the edge of the default plot size. e.g.:-

Wondering if a defaul

Is your feature request related to a problem? Please describe.
Related to the Load Combinations request

Describe the solution you'd like
Functions available to remove or edit existing loads on existing nodes or members.

Additional context
This will be necessary as part of the Load Combinations request. To remove existing loads and replace them with loads from a different LC w