Feature: Specify Relative Directory Without Specifying Filename

[Connor-Russell]

Summary:

This pull request allows users to specify a just a folder to export into, vs having to also provide the filename. If only a folder is provided (determined by the name ending in a / or ), the root collection/root obj name will be appended to the specified folder. For example, if the user enters "../MyFolder/" and the collection name is "Object", the collection will be exporter to "<.blend parent dir>/../MyFolder/Object.obj"

Detailed Changes:

xplane_file.py

• Changed name setting logic to first check if the name ends in / or , and if so, use the name with the root col/obj name appended. Otherwise check if the name is not empty, if so use it, otherwise using the root col/obj name (as the previous logic did)

Testing:

Unit tests were run on 4.11, with the same pass/fails as the current version of XP2B. No new unit tests were added, however I manually verified the file exports to the correct path when a relative directory is specified, when a filename is specified, and when no name is specified.