2018-02-26: Version 0.3-1, Cord Hockemeyer <cord.hockemeyer@uni-graz.at>

* Changed lpath.R making leaning paths sets instead of tuples according
  to the theory

2018-01-03: Version 0.3-0, Cord Hockemeyer <cord.hockemeyer@uni-graz.at>

* Corrected katoms.R grep call

* Introduced new function neighbourhood()

* Rewrote kfringe...() functions using neighbourhood function

* Introduced new class kbase:
- Changed return class for kbase()
- New S3 methods as.relation.kbase and closure.kbase
- Allowing kbase parameter in katoms(), kdomain(), knotions(), kspace()

2017-12-12: Version 0.2-2, Cord Hockemeyer <cord.hockemeyer@uni-graz.at>

* R/kstructure.R: kstructure() now includes the empty set and the full
  item set.

* man/kstructure.md: Changed accordingly.

* R/plot.kstructure.R: Changes to reflect the new rules for suggested 
  packages.

* Added a4wide.sty to vignettes directory
