0.9.0

New features:

• #59: Extended delimiter support: e.g. \left\\
• #149: Newline command support: try using \\ outside of a matrix
• #252: Support for \{ and \} commands

Fixed issues:

• #139: Exception thrown by \,
• #151: Wrong sources detected for complex predefined formulae
• #248: Wrong exception gets thrown for \text{∅}
• #225: \text doesn't work with indices if there's only one Cyrillic letter
• #253: Added equal padding to all sides when saving to bitmap
• #257: IndexOutOfRangeException throws when using \color