Changes

• support MDF version 2.14
• add new resample method to MDF
• try to avoid MemoryError for append on 32 bit Python
• add get_channel_comment and get_channel_unit methods
• add save overwrite as configurable option
• added possibility to return pandas DataFrame to select method
• pandas is now a required dependency

Fixes

• use data block size equal to multiple of record size when splitting data blocks in mdf version 4 save
• fix default values for memory argument in MDF methods
• fix incompatible plot title in Signal
• handle backslash in channel names
• fix typo in usage example
• fix iter_to_pandas error
• fix and improve info methods