clarabel 0.9.0

• Synced up to version 0.9.0 of Clarabel.rs
• Added all applicable tests from Clarabel.rs
• Updated documentation of cone specification
• Updated vignette
• Switched to savvy from rextendr

clarabel 0.5.1

• Clarabel now supports semidefinite programs (syncing up to version 0.5.1 of Clarabel.rs)
• Added tests
• Updated documentation of cone specification

clarabel 0.4.1

• First public release