Changes in Beagle 5.0
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* Much faster genotype phasing and genotype imputation algorithms.
* An improved reference file format: bref3 which supersedes bref version 2.
* Window and overlap parameters use centiMorgan units.
* Some user parameters are changed (see documentation).
* Refined IBD algorithm removed from Beagle and made a stand-alone program.
* Input VCF file must contain genotype (GT) fields (GL/PL fields are ignored).

Beagle 5.0 (14May18.ff7) release notes
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* First release of Beagle version 5.0

Beagle 5.0 (16May18.771) release notes
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* Fixed a bug when phasing and imputing in the same analysis

Beagle 5.0 (24May18.276.jar) release notes
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* Minor modification to phasing algorithm

Beagle 5.0 (28May18.405) release notes
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* Fixed a concurrency bug

Beagle 5.0 (30May18.3bb) release notes
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* Improved error messages

Beagle 5.0 (04Jun18.a80) release notes
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* Fixed a bug in phasing when ALT field is '.'

Beagle 5.0 (10Jun18.811) release notes
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* Fix bug appearing when there is a large inter-marker distance

Beagle 5.0 (03Jul18.40b) release notes
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* Fixed a bug appearing when reference panel ALT field is '.'

Beagle 5.0 (10Sep18.879) release notes
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* Fixed a bug in imputation output when reference panel ALT field is '.'

Beagle 5.0 (15Sep18.8a0) release notes
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* Fixed a bug appearing when analysis window has only one target marker

Beagle 5.0 (28Sep18.793) release notes
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* Refactored some classes

Beagle 5.0 (16May19.351) release notes
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* Refactored some classes
* Fixed a concurrency bug

Beagle 5.0 (03Jul19.b33) release notes
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* Fixed a bug when analysis includes multiple chromosomes

Beagle 5.0 (12Jul19.0df) release notes
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* Improved an error message
* Improved handling of inconsistent marker order in ref and gt files

Beagle 5.1 (13Aug19.a31) release notes
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* Initial release of Beagle 5.1
* Beagle 5.1 has some improvements that increase speed and accuracy

Beagle 5.1 (24Aug19.3e8) release notes
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* Fixed a bug that can arise when phasing inbred samples

Beagle 5.1 (21Sep19.ec3) release notes
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* Fixed bugs when phasing or imputing using a reference panel

Beagle 5.1 (08Nov19.3ec) release notes
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* Add support for male, haploid chrom X genotypes

Beagle 5.1 (20Nov19.573) release notes
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* Fixed bug when number of marker alleles is >= number of samples

Beagle 5.1 (25Nov19.28d) release notes
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* Increased robustness to genetic maps with small inter-marker distances

Beagle 5.1 (13Mar20.38e) release notes
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* Improve robustness to rounding error
* Fix a concurrency bug

Beagle 5.1 (21Mar20.d65) release notes
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* Fix a bug in reference-based phasing

Beagle 5.1 (24Mar20.5f5) release notes
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* Improve robustness when some samples have high rates of missing genotypes

Beagle 5.1 (27Apr20.b81) release notes
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* Improve robustness when many markers have high rates of missing genotypes

Beagle 5.1 (18May20.d20) release notes
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* Fix a concurrency bug

Beagle 5.1 (18May20.d20) release notes
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* Fix a concurrency bug

Beagle 5.2 (05Apr21.9b7) release notes
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* Initial release of Beagle 5.2
* Version 5.2 provides significantly faster genotype phasing than version 5.1

Beagle 5.2 (17Apr21.dc6) release notes
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* Increase robustness when phasing unusual data sets

Beagle 5.2 (21Apr21.304) release notes
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* Fix bug causing small loss in accuracy when phasing sequence data

Beagle 5.2 (29May21.d6d) release notes
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* Increase robustness to high rate of missing genotypes

Beagle 5.2 (28Jun21.220) release notes
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* Improve robustness when many markers have a high rate of missing genotypes
