V-0.2.1

What's Changed

• Feature/additional tests docs by @kdhrubo in #330
• Feature/extract interface by @kdhrubo in #331
• refactor schema manager to schema by @kdhrubo in #332
• #334 - fix column alias handling by @kdhrubo in #335
• added jwt token verification service by @bharath8121 in #333
• fix integration test by @kdhrubo in #336
• Feature/improve join by @kdhrubo in #341
• Feature/339 join integration test by @kdhrubo in #343
• Feature/339 join integration test by @kdhrubo in #346
• #347 - fix startup issue by @kdhrubo in #348
• Feature/347 d1 issue by @kdhrubo in #349
• Feature/347 d1 issue by @kdhrubo in #350
• #347 - stop printing by @kdhrubo in #351

Full Changelog: V-0.2.0...V-0.2.1