[Diff since v1.1.2](v1.1.2...v1.1.3)
[Diff since v1.1.1](v1.1.1...v1.1.2)
[Diff since v1.1.0](v1.1.0...v1.1.1)
## PCCAPlus v1.1.0 [Diff since v1.0.0](v1.0.0...v1.1.0) ## Breaking changes - pcca() now returns a tuple of (chi, X, A) instead of just chi
## PCCAPlus v1.0.0