- Update to 4.59
  * Some bugs were fixed and some improvements were made in the 
    MIP solver.
  * The data file format used by API routines glp_read_graph and 
    glp_write_graph was changed. For more details please see the 
    document "GLPK: Graph and Network Routines" included in the 
    distribution.
  * Translation of the document "Modeling Language GNU MathProg" 
    to Brazilian Portuguese (pt-BR) was included (in LaTeX and pdf
    formats).

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- Update to 4.58

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- Update to 4.57

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- Update to 4.56
  * A new, more efficient and more robust implementation of the 
    primal simplex method was included in the package. This new 
    implementation replaces the old one, which was removed.
  * A bug was fixed in a basis factorization routine. (The bug
    appeared if the basis matrix was structurally singular having
    duplicate row and/or column singletons.) Thanks to Martin Jacob
  * Scripts to build GLPK with Microsoft Visual Studio 2015 were
    added. Thanks to Xypron <xypron.glpk@gmx.de> for contribution
    and testing.
- Cleanup spec file with spec-clener

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- Update to version 4.55
  * Bugfixes, documentation update. See NEWS file for details.

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  * Block-triangular LU-factorization was implemented to be used
    on computing an initial factorization of the basis matrix.
  * A new version of the Schur-complement-based factorization
    module was included in the package. Now it can be used along
    with plain as well as with block-triangular LU-factorization.
  * The API routine glp_read_mps was changed to remove free rows.
  * etc. see NEWS for details

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- updated to 4.54
  * see NEWS for changes

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- enable tests

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- Update to new upstream release 4.52.1

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- updated to 4.48:
  * This is a maintainer release.
  * Some minor changes in API (glpk.h) were made. For details
    please see ChangeLog.
  * Some bugs/typos were fixed. Thanks to
    Raniere Gaia Costa da Silva,
    Heinrich Schuchardt <xypron.glpk@gmx.de>, and
    Robbie Morrison <robbie@actrix.co.nz> for reports.

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