Fix to issue #47. getSpecies can now efficiently slice out a given species at given timepoints without loading the whole contents of the U dataset in memory. Accessing a single speciesfor all timepoints is now more efficient than with the previous route going throg read_result(). But the data layout in U changed again.
diplay result uses the new slicing feature
Merge pull request #48 from ahellander/loadoptim

Fix to issue #47. getSpecies can now efficiently slice out a given speci...