Merge pull request #28 from ahellander/hdf5_refactor

Hdf5 refactor
Merge pull request #29 from ahellander/develop

Develop
Merge pull request #30 from briandrawert/hdf5_refactor

Hdf5 refactor
Merge pull request #32 from ahellander/develop

Refactor of core complete
Renaming functions from camel case to underscores
resolved confict
Merge pull request #93 from briandrawert/develop

Function renaming