v0.4.6

BiochemicalAlgorithms v0.4.6

Diff since v0.4.5

Merged pull requests:

• Substructure fixes (#151) (@tkemmer)
• Backports v0.4 (#153) (@tkemmer)

Closed issues:

• FF: type name and charge assignments fail if atom name is given as SubString (#147)
• Substructures: SMARTS matching is broken (#149)
• Substructures: constructor fails for non-Float32 atom containers (#150)