0.5.2

What's Changed

• Add fix_earth=True parameter to SolarMACH.plot() for longitude orientation control (#89)
• Add silent=True parameter to SolarMACH() (cf. https://solarmach.readthedocs.io/en/latest/api.html#solarmach.SolarMACH)
• Optimize PDF output
• Add Psyche to list of supported spacecraft
• Polish documentation at https://solarmach.readthedocs.io

Full Changelog: v0.5.1...v0.5.2