v0.18.0

Kanones v0.18.0

Diff since v0.17.0

Closed issues:

• Need code for specific 3rd declension classes (#282)
• Prep act inf fails on w_pp1 ? (#290)
• Failed on imperfect of epsilon contract (#296)
• Accenting of 3rd declensions in dentals like παῖς, παιδός is wrong (#297)
• Add accent pattern "obliqueaccent" (#305)
• consonant assimilation in perfect stems (#306)

Merged pull requests:

• New method for handling pre-augmented and unaugmented indicative forms (#310) (@neelsmith)