feat(compiler): add transfer api documentation and other fixes

[spencercorwin]

Description of the Change

• Adds documentation for new compiler transfers API to the website docs
• Adds the API to the ICO mixin and test coverage
• Removes gasCost from some tests (doesn't exist any more)
• Add notes to compileContract.ts for a potential new issue
• Fixes up debugger output for N3 compiler changes and changes to the debugger spec
• Fixes and cleans up the parsing of Actions produced by contract calls
• Cleans up args.ts
• Fixes notifications produced by our compiler by removing the redundant eventName item

Test Plan

• TestICO.test.ts

Alternate Designs

None.

Benefits

• Transfers API documented
• Removes tons of bugs and cleans up the code
• Fixes notifications produced by compiler

Possible Drawbacks

Possibly introduced bugs made incorrect fixes.

Applicable Issues

#2410
#2466
#2475