Wiggelen

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Released on July 21st 2013.

- Optional track name (`-n` or `--name`) and description (`-d` or
`--description`) for command line functions.
- Command line argument `-n` or `--no-indices` for `merge` has been
renamed to `-x` or `--no-indices`.
- Slight performance improvement in parsing.

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Released on July 15th 2013.

- Fix parsing tracks in fixedStep mode.
- Intervals BED track is now correctly written tab-delimited.
- Fix distance module on Python 3.2+.

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Released on June 11th 2013.

- Fix distance calculation on values below threshold. Positions where both
values are below the given threshold are ignored.

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Released on May 6th 2013.

- Coverage intervals. Module `intervals` implements extraction of coverage
intervals from walkers and writing them to BED files. Coverage intervals
with an optional value threshold can be written for any wiggle track to a
BED file using the command line `coverage` command.
- Add name and description arguments to `write` (Jeroen Laros).
- Fix dependencies declaration in setup.py (only affects Python 2.6).

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Released on April 27th 2013.

- Fix installation from PyPi (``README.rst`` was missing in sdist).

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Released on April 26th 2013.

First public release.