v0.5.0

QuartetNetworkGoodnessFit v0.5.0

• new feature: calculation of expected concordance factors on networks of any level,
  and under the coalescent model with possible correlated inheritance.
• requires PhyloNetworks v0.16 for accessors (e.g. getchild, getparent).

Diff since v0.4.0

Merged pull requests:

• recursive calculation of quartet CFs for general networks (#22) (@cecileane)
• bug fix in expected qCF calculation (#23) (@cecileane)
• bump compat for PhyloNetworks to 0.16, drop earlier (#25) (@cecileane)