v2.4.0

Parsers v2.4.0

Diff since v2.3.2

Closed issues:

• Documentation for ReturnCode is mangled (#120)
• Delete the master branch? (#125)

Merged pull requests:

• add propertynames for PosLen (#121) (@KristofferC)
• fix formatting in some docstrings by escaping some characters (#122) (@KristofferC)
• ensure that getstring resets the position of IO (#123) (@KristofferC)
• fix docstring rendering for xparse (#126) (@KristofferC)
• Introduce groupmark number-parsing option (#128) (@Drvi)