1.2.0

Changed:

• PR20 LinExpr can be constructed from any arithmetic type without
  requiring a static_cast.

Added:

• PR22 Add Model::getSolvingStatistic.
• PR18 Add Var::isVoid.

Deprecated:

• PR22
  Model::getPrimalbound(), use Model::getSolvingStatistic(statistics::PRIMALBOUND) instead.

What's Changed

• Require GCC 8 and AppleClang 11 due to the usage of std::filesystem by @hedtke in #15
• Add Var::isVoid by @hedtke in #18
• Allow the construction of constant linear expressions without narrowing warnings by @hedtke in #20
• Add possibility to query solving statistics by @hedtke in #22
• Update dependencies by @hedtke in #25

Full Changelog: 1.1.0...1.2.0