Use simpler iterator accessors.
Assign nodeset names from Abaqus file.
Associate sideset names with their respective IDs.
Support reading T3D2 'truss' elements in Abaqus.
fix comment typo.
Parse the elset name before converting to uppercase.

This preserves the name as it was originally written in the Abaqus file.
Delete whitespace characters, including newlines, when extracting labels.