# Rtropical 1.2.1
- Authors and links of reference papers added.
- Explanation of values added for these functions: `as.matrix.multiPhylo`,  `as.vector.phylo`, `plot.troppca`, `read.nexus.to.data.matrix`, `read.tree.to.data.matrix`,  `troppca.obj`.
- Replace \\dontrun{} to \\donttest{} for examples of  `troppca.polytope`, `troppca.linsp`, `troppca.linsp2polytope`.
- `on.exit()` added to restore users' plotting option in `plot.troppca`.
- Update in documentation of these functions: `read.nexus.to.data.matrix`, `read.tree.to.data.matrix`.

# Rtropical 1.1.1
- Initial submission