Fixup for DestructuringBindingsForFieldClass

• rename header Field.h is not a unique name in waLBerla context
• add PyStencilsField.h
• bindings were lacking data type

added 9 commits

• 53986db2...95934162 - 8 commits from branch pycodegen:master
• 2f7aee77 - Merge branch 'master' into 'destructuring-field-binding'

Compare with previous version

Merged manually

closed