v1.2.3

Symbolics v1.2.3

Diff since v1.2.2

Closed issues:

• Defining an array of variables instead of a symbolic array (#279)
• Using Rational coefficients? (#289)
• @fun does not exist (#296)

Merged pull requests:

• Update StanTarget dispatch of build_function to new ode interface… (#255) (@Vaibhavdixit02)
• update variable macro docs for array variables (#285) (@shashi)
• Fixing docs for build_function with CTarget (#291) (@dannys4)
• remove @parameters from docstrings (#294) (@BeastyBlacksmith)
• Automatic unwrapping of Num with methods T(x::Num) (#297) (@ChrisRackauckas)
• Update buildvarnnumbercache to actually handle non array types (#298) (@Vaibhavdixit02)