v1.1.0-grasshopper
-Set LCS of bars.
-Set LCS of slabs.
-LineLoad, set non-uninform line load.
-Storeys added.
-Axes added.
-MassConversionTable added.
-Freq added so that eigenfrequency calculations can be run.
-Moved calculation methods to Calculate.
-Fixed minor bugs.
-Removed abundant default methods.