Tempsdb

* can install from sdist now

* added `TimeSeries.get_current_value`
* added `Database.sync`

* added `get_open_series`
* added `get_all_series`
* added `get_first_entry_for`
* added `close_all_open_series`
* added `TimeSeries.name`
* added option to use descriptor based access instead of mmap
* added `TimeSeries.open_chunks_ram_size`

First release