Subscription implemented
Continuous Query implemented
Fixed bugs when dealing with null values retrieved from tables
Removed unused code
Added basic performance test code

Bug fix

removed broken code

Docs
- Docs updated
  - include third party connectors links
  - local docs updated to web versions and fixed for compatability
Node
- Async added
- Deleted uncessary code
- Docs updated

Implemented higher level API to make it more modular
Using promises and callbacks
Argument binding is now available e.g query(select ? from ?).bind("*", "table")

- Using _ to indicate variable/function is private and shouldn't be accessed
- Added JSDocs syntax to generate documentation
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