v0.3.0

What's Changed

• expose mendeleev element directly from aromatic by @chem-william in #11
• Remove aliphatic by @chem-william in #12
  • we've removed aliphatic and aromatic and instead combined it in a single Symbol enum. This also means we can remove the distinction between Aliphatic and BracketSymbol::Aliphatic
• Consolidate symbols by @chem-william in #13
• Proper directionality by @chem-william in #15
• debracket has been removed
• mendeleev::{Element, Isotope} are now re-exported through yowl
• A bit more documentation here and there
• Internal changes

Full Changelog: v0.2.0...v0.3.0