v3.7.2

SymbolicUtils v3.7.2

Diff since v3.7.1

Merged pull requests:

• activate doc tests for rewrite.md (#652) (@karlwessel)
• fix: similarterm is exported but not defined (#657) (@avik-pal)

Closed issues:

• Doc errors (#385)
• problem in "latexify_recipes" for complex expressions (#472)
• method ambiguity for exponentiation of Complex{Num} (#556)