* Implement host api for bigint operations
* Implement type conversion APIs
* Avoid use of exports as variable name for conflict
* Implement log API with debug and levels
* Fix job-runnner hook error after stopping and starting chain
* Test case for calling EdenNetwork event handler
* Test cases for calling EdenNetwork event handlers
* Test cases for calling event handlers in EdenNetworkDistribution
* Test cases for calling event handlers in EdenNetworkGovernance
* Perform eth-calls according to contract name in param
* Pass function params in eth-call host API
* Return value from eth-call to wasm
* Add instructions for running tests
* Install assemblyscript from github packages
* Add instrcutions for installing private github packages
* Use vulcanize assemblyscript package
* Code for running wasm file.
* Add test for wasm exported function.
* Use target names for build files.
Co-authored-by: nabarun <nabarun@deepstacksoft.com>