Release v0.30.0

0.30.0 - 2020-11-03

Added

• Better examples for the generic mode aka spacegrep (#1951).

Fixed

• Fix matching of trailing dots in spacegrep (#1939).
• Allow matching on one-line files with spacegrep (#1929).
• Fix incorrect number of lines matched by dots with spacegrep (#1918).
• Other subtle spacegrep matching bugs (#1913).
• Metavariable for method call should be matched against corresponding
  metavariable in method definition (#1861).
• Typescript class properties/declarations not recognized (#1846).
• Can't match inside Python try/except clause (#1902).