v1.8.0

• Add option to split Vensim views into separated Python files
• Correct bugs with xmile builders

v1.7.0

• Add possibility to export to a pickle the states and other needed values of the stateful objects using
• Add possibility to use exported values of stateful objects as initial conditions
• Add control variables to the run arguments, final_time, time_step and saveper can be modified easily when calling run.
• A bug with SampleIfTrue was solved.
  -Solve initialization order bug.

v1.6.1

• Add requirements.txt and README.md to MANIFEST.in in order to make it possible to build the package in conda-forge

v1.6.0

• Command-line usage added. Now pysd can be called from the command line. (python -m pysd).
• Correct bug of initial time in outputs when initial time is modified,

v1.5.0

• Benchmarking tools added
• Add an option to totally flatten an output dataframe
• Add the possibility to select the as default columns only the ones with cache 'step'
• Logical functions added to support logical operations between subscripted variables
• Support logical operations of the same operator without parenthesis
• Solve some bugs related to subscripts

v1.4.1

Correct time overhead in some stateful objects.

v1.4.0

New features:

• Basic subscript mapping

Bugs correction:

• Support for subscripted SMOOTH and TREND
• Correction of user interaction with lookup variables

Other improvements:

• Documentation
• More descriptive errors with stateful objects

v1.3.1

• Small bug correction
• Added the possibility of keeping missing values in External objects

v1.3.0

• Support for Vensim's Sample If True function (https://www.vensim.com/documentation/fn_sample_if_true.html)
• Support for reading subscript by numeric range (https://www.vensim.com/documentation/22090.html)

v1.2.0

• Functions for reading data from Excel
• Better management of subscripted variables
• Progressbar added
• Bugs correction
• ...