jsonalchemy: proposed quickfix for recursive evaluation

At the moment just POC.
33:1: E303 too many blank lines (3)
1:D400: First line should end with '.', not 's'
1:D205: Blank line missing between one-line summary and description
1:D208: Docstring is over-indented
33:D103: Docstring missing
70:D103: Docstring missing
96:D401: First line should be imperative: 'Thi', not 'This'
96:D400: First line should end with '.', not 'n'
96:D205: Blank line missing between one-line summary and description
165:D203: Expected 1 blank line *before* class docstring, found 0
165:D204: Expected 1 blank line *after* class docstring, found 0
165:D400: First line should end with '.', not 'e'
165:D205: Blank line missing between one-line summary and description
175:D102: Docstring missing
178:D102: Docstring missing
181:D102: Docstring missing
188:D400: First line should end with '.', not 't'
188:D205: Blank line missing between one-line summary and description
211:D205: Blank line missing between one-line summary and description