RIMSEval v2.0.0.dev2

• Multi processor can now load additional and close selected files.
• Add special plots for histograms in guis.

What's Changed

• Update docs / Program description by @trappitsch in #13
• Add GUIs for histograms (special functions) by @trappitsch in #14
• Refractor plot functions by @trappitsch in #15
• Update issue templates by @trappitsch in #16
• Implement Add/Remove Files for Multiprocessor by @trappitsch in #17
• bump version v2.0.0.dev1 -> v2.0.0.dev2 by @trappitsch in #18

Full Changelog: v2.0.0.dev1...v2.0.0.dev2