Qtop

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Bugfixes: - fixed tabs-to-spaces. Formatting should be correct now.

| Enhancements:
| - Now each state is saved in a separate file in a results folder

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Enhancements: - script reads qtop-input.out files from each job and displays status for each job

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Enhancements: - changed implementation in ``get_state()``

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Enhancements: - just read a pbsnodes-a output file and gather the results in a single line