Opfunu

+ Fix modified_schwefel_func() in operator.py
+ Fix Mishra07 function that has no method factorial
+ Fix Dolan function has wrong default dim
+ Fix ndim property in Benchmark class
+ Fix typo pi function in OddSquare class
+ Fix LennardJones class with specified ndim
+ Fix CEC2021 F2 has abnormal optimal value
+ Fix bug in F8 function CEC2020
+ Update docs
+ Update README and workflows.

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+ Add all normal functions in name_based module (From A to Z)
+ Fix bug exit() program
+ Delete all old CEC module
+ Delete type_based module
+ Delete dimension_based module
+ Delete mealpy dependency
+ Update docs, examples and tests

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+ Refactoring project with 1 abstract class: Benchmark
+ Two sub-packages: name_based and cec_based
+ In name_based package contains all letter modules in order of the alphabet
+ In cec_based package contains all CEC competition modules from years: 2005, 2008, 2010, 2013, 2014, 2015, 2017,
2019, 2020, 2021, 2022


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+ Update author's repo
+ Add constrained CEC-2020
+ Update test cases for CEC-2020


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+ Update license and requirements environemnt
+ Fix template document


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+ Update documents
+ Fix some bugs in CEC-2010, 2013, 2015
+ Fix some bugs in CEC basic version
+ Update examples


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