v0.5.4

Quiqbox v0.5.4

Diff since v0.5.3

Merged pull requests:

• Updated CI badges (#124) (@frankwswang)
• 0.5-Misc Dev (#125) (@frankwswang)
• 0.5-Optimization Dev (#126) (@frankwswang)
• 0.5-Debug Dev (#127) (@frankwswang)
• 0.5-Feature Dev: Optimizing HF, added SPGB as DIIS solver, and added adaptive print info. (#128) (@frankwswang)
• 0.5-Feature Dev (#129) (@frankwswang)
• Updated the package version number. (#130) (@frankwswang)
• Rplcd keepat! w/ deleteat! for comp w/ J-1.6. (#131) (@frankwswang)
• Changed the threshold of oscillation detecting. (#132) (@frankwswang)