Merge pull request #28 from subhacom/subhasis

Updated benchmarking
Merge pull request #29 from subhacom/subhasis

Added a pretty print function for printing the hdf tree in terminal.
Updated benchmark scripts.
Merge pull request #30 from subhacom/subhasis

Correction of time stamps to iso format in hodgkin huxley demo
Merge branch 'origin-master' into origin-subhasis