replace response transfer via console.log()

[JohannesKonings]

Currently the return value from the handler is passed via console.log(). to the repsonse command in the bootstrap. Taht should be changed to a better solution.

aws-lambda-abap-runtime/bootstrap

Line 20 in 88d291d

RESPONSE=$(sourcecode=$sourcecode event=$EVENT_DATA _HANDLER='zcl_handler.clas.abap' node runtime.js)

aws-lambda-abap-runtime/runtime.js

Line 9 in 88d291d

console.log(response);