v0.2.4

Added

• Add LIMMAT_CONFIG to job env

Fixed

• Don't hold database locks from UI code

Other

• Remove false fallibility
• Remove unnecessary data from OutputBuffer::render_cases
• Factor out OutputBuffer::render_case
• Support dumping child output on drop
• Shitty bullshit hacks for printf debugging in shitty tests
• cargo add --dev chrono
• Strip ansi codes when dumping stdout
• (dev) Document build release artifacts