- Upgraded to gson 2.4 (lib)
- Upgraded to lang3 3.4 (lib)
- Upgraded to lucene 5.3.1 (lib)

- BasicCell throws an exception if confidence out of bound
- cleaned up comments on extentsions in BasicCell

- modified parsers accordingly
- all implementation uses relationType to create cell relations
- genericised read/write and SWLCache for relations
- added interface for Disjunctive and Algebra relation
- added BitSet-based implementation of disjunctive and algebra relations
- developed A2 and A5 relation algebra
- extended AlgTest tests
- added V5 comment tag to anticipate API modification

- fully implemented Linkkey managements in renderers
- all tests are passing

- corrected documentation edoal
- added LinkkerRenderer

- adapted clitests to actual cli options

- Added "force" in load (preserving existing alignments with same URI)

- improved alext management (no # anymore)

- improved server layout and functioning

- cleaned up some command lines