Predictr

Fixed
- Minor fix and code restructuring

Added
- new GithubPage: https://tvtoglu.github.io/predictr/
- new Class: PlotAll -> plot multiple Weibull plots in one figure

Changed
- changed get_bx_percentile() to a classmethod

Added
- Official changelog
- New static method get_bx_percentile() for Analysis class. You can now get the time values for given BX-lives

Changed

- Argument "bounds" for Fisher bounds: 'fisher' -> 'fb'. This is more in line with the other confidence bounds