0.2.29

Fixes:

• Fix pandas warning when retrieving quotes - thanks @difelice #1672
• Replace sqlite3 with peewee for 100% thread-safety - #1675
• Fix merging events with intraday prices - #1684
• Fix error when calling enable_debug_mode twice - thanks @arduinocc04 #1687
• Price repair fixes #1688

Full Changelog: 0.2.28...0.2.29