v0.4.2

What's Changed

• Handle None string in accelerator spec and add tests by @bolasim in #251
• Add stable diffusion 2.1 example with weights packaged by @bolasim in #256
• GPU sharing truss example by @pankajroark in #255
• Ignore pycache files for live reload patching by @pankajroark in #257
• update truss init doc by @philipkiely-baseten in #253
• Drop duplicate copy of server code for tests by @bolasim in #259
• Document GPU Sharing Example by @bolasim in #261
• Install tar for the truss-context-builder by @bolasim in #264

Full Changelog: v0.4.1...v0.4.2