Added several data structures.
Merge branch 'master' of git@github.com:fniksic/mpi-sws-vscomp.git
Merge branch 'master' of git@github.com:fniksic/mpi-sws-vscomp.git
First phase of SuffixTree construction.
Merge branch 'master' of git@github.com:fniksic/mpi-sws-vscomp.git
Compression continued.