Fix: Search for jsonrpc locally.
Bugfix: Special case of statements starting with type conversion.
Merge pull request #459 from chriseth/fix_find_jsonrpc_locally

Fix: Search for jsonrpc locally.
Merge pull request #474 from chriseth/sol_expressionStartingWithTypeConversion

Bugfix: Special case of statements starting with type conversion.
Merge branch 'develop' into crypto