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 Changes in v2.4.0 compared to v2.3.1
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dprice (35):
      added data read for Sarah Maddison/Mark Hutchison code
      bug fix with compilation of test modules
      added phony targets for all subdirectories
      compiler warnings fixed with real=0
      unused module variable warning fixed
      added parsetext module to handle parsing of arbitrary functions in text strings
      added warning for strings that will be truncated
      can now use functions in time legend, e.g. Time = %(t + 1000), %(t*100) etc.
      added CAVE-2 page size option (27000 x 3000); also better defaults for custom page sizes, min is 1x1 in any units
      added option to include sink particles in opacity rendering; hiding them behind dense gas
      whitespace removed
      version updated
      version history updated
      year updated
      giza interface updated to work with giza v0.8
      bug fix with interface to convert_grid after render sink stuff
      bug fix in fake two-fluid stuff with quantities not set to zero
      labelling of deltav fixed -> \Deltav
      gamma assumed to be 5/3 if < 1 in shock tube exact solution
      bug fix with seg fault if file cannot be opened in ascii read
      bug fix with overflow in print_types
      further bug fix with accreted particles appearing in pngs from phantom dumps
      polytrope exact solution works with arbitrary mass, polyk
      added solution for deltav and dustfrac in shock tube solution with no drag
      C-shock exact solution added
      exact_Cshock added to build
      allow mach numbers to be input parameters to C-shock exact solution
      more robust way of getting line containing Kdrag for dustywave exact solution; also sedov exact solution plots circle again
      onefluid->fake two fluids done by default; now use NSPLASH_BARYCENTRIC=yes to turn this off
      updated docs with barycentric stuff
      version info for 2.4.0
      version 2.4.0