Countly Web SDK 19.08

• Allow overwriting serialize and deserialize functions
• Allow overwriting a way to provide view name and url
• Allow namespacing shared storage for multiple separate trackers on same domain
• Fixed issue adding feedback widget in some cases
• Fixed expiring session on inactivity and cookie timeout
• Fixed using same ignore CSS class when tracking forms data too
• Allow passing device_id through url parameters for cross domain tracking
• Added internal method to clear queues
• Fixed to always notify loaders, even if tracking is disabled
• Added isUUID method to check if it is Countly generated id
• Implemented proper storage syncing between tabs
• Implement offline mode support with option to delay passing device_id