v0.3.12

What's Changed

• fix SparsePread() reading chunks smaller than grain size by @oliverkurth in #77
• make SparsePread() thread safe by using stack for buffers by @oliverkurth in #78
• ci: build RPMs by @oliverkurth in #79
• vmdk-convert: multithreaded compression by @oliverkurth in #84
• add --detailed-info option for vmdk-convert -i
• add configurable compression levels

Full Changelog: v0.3.11...v0.3.12