Read-acq

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Fixed

- HDF5 to ACQ converter now works.

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First version on PyPI!

Fixed

- Frequency array now has the correct channel width (it was ever so
slightly off).

Changed

- `decode_file` now only decodes the file, rather than writing. Use
`convert_file` to convert a file to a different format.

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Fixed

- Errors in writing out files (now have tests)

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Fixed

- Error reading fastspec header due to first VERSION line.

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Added

- Ability to read in new fastspec header
- New format: npz
- Ability to save all metadata

Changed

- Structure of the code is now class-based and extendible
- **No longer outputs uncalibrated temperature, but rather the
dimensionless ratio, Q**

Fixed

- Line-incrementing problem when reading

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Added

- HDF5 output format
- Ability to specify output format via CLI
- Metadata to outputs

Fixed

- Removed warnings when dividing by zero
- Installation without numpy
- Progress bar iterations