Fix logged errors not being properly formatted (and tone down the error verbosity a bit)

[Half-Shot]

So we go from:

Error: API error HS_METHOD_NOT_ALLOWED: Invalid Method. Expecting PUT or POST
    at GenericWebhooksRouter.onWebhook (/usr/bin/matrix-hookshot/generic/Router.js:41:19)
    at Layer.handle [as handle_request] (/usr/bin/matrix-hookshot/node_modules/express/lib/router/layer.js:95:5)
    at next (/usr/bin/matrix-hookshot/node_modules/express/lib/router/route.js:144:13)
    at textParser (/usr/bin/matrix-hookshot/node_modules/body-parser/lib/types/text.js:69:7)
    at Layer.handle [as handle_request] (/usr/bin/matrix-hookshot/node_modules/express/lib/router/layer.js:95:5)
    at next (/usr/bin/matrix-hookshot/node_modules/express/lib/router/route.js:144:13)
    at jsonParser (/usr/bin/matrix-hookshot/node_modules/body-parser/lib/types/json.js:110:7)
    at Layer.handle [as handle_request] (/usr/bin/matrix-hookshot/node_modules/express/lib/router/layer.js:95:5)
    at next (/usr/bin/matrix-hookshot/node_modules/express/lib/router/route.js:144:13)
    at urlencodedParser (/usr/bin/matrix-hookshot/node_modules/body-parser/lib/types/urlencoded.js:91:7)
    at Layer.handle [as handle_request] (/usr/bin/matrix-hookshot/node_modules/express/lib/router/layer.js:95:5)
    at next (/usr/bin/matrix-hookshot/node_modules/express/lib/router/route.js:144:13)
    at /usr/bin/matrix-hookshot/generic/Router.js:94:17
    at textParser (/usr/bin/matrix-hookshot/node_modules/body-parser/lib/types/text.js:69:7)
    at xmlHandler (/usr/bin/matrix-hookshot/generic/Router.js:88:60)
    at Layer.handle [as handle_request] (/usr/bin/matrix-hookshot/node_modules/express/lib/router/layer.js:95:5)

to

INFO 13:09:06:567 [ListenerService] GET /sadsa 405 - HS_METHOD_NOT_ALLOWED - Invalid Method. Expecting PUT or POST
DEBUG 13:09:06:567 [ListenerService] ApiError: API error HS_METHOD_NOT_ALLOWED: Invalid Method. Expecting PUT or POST
    at GenericWebhooksRouter.onWebhook (/home/will/git/matrix-hookshot/src/generic/Router.ts:16:18)
    at Layer.handle [as handle_request] (/home/will/git/matrix-hookshot/node_modules/express/lib/router/layer.js:95:5)
    at next (/home/will/git/matrix-hookshot/node_modules/express/lib/router/route.js:144:13)
    at textParser (/home/will/git/matrix-hookshot/node_modules/body-parser/lib/types/text.js:69:7)
    at Layer.handle [as handle_request] (/home/will/git/matrix-hookshot/node_modules/express/lib/router/layer.js:95:5)
    at next (/home/will/git/matrix-hookshot/node_modules/express/lib/router/route.js:144:13)
    at jsonParser (/home/will/git/matrix-hookshot/node_modules/body-parser/lib/types/json.js:110:7)
    at Layer.handle [as handle_request] (/home/will/git/matrix-hookshot/node_modules/express/lib/router/layer.js:95:5)
    at next (/home/will/git/matrix-hookshot/node_modules/express/lib/router/route.js:144:13)
    at urlencodedParser (/home/will/git/matrix-hookshot/node_modules/body-parser/lib/types/urlencoded.js:91:7)
    at Layer.handle [as handle_request] (/home/will/git/matrix-hookshot/node_modules/express/lib/router/layer.js:95:5)
    at next (/home/will/git/matrix-hookshot/node_modules/express/lib/router/route.js:144:13)
    at /home/will/git/matrix-hookshot/src/generic/Router.ts:70:17
    at textParser (/home/will/git/matrix-hookshot/node_modules/body-parser/lib/types/text.js:69:7)
    at xmlHandler (/home/will/git/matrix-hookshot/src/generic/Router.ts:64:50)
    at Layer.handle [as handle_request] (/home/will/git/matrix-hookshot/node_modules/express/lib/router/layer.js:95:5) {
  error: 'Invalid Method. Expecting PUT or POST',
  errcode: 'HS_METHOD_NOT_ALLOWED',
  statusCode: 405,
  additionalContent: {}
}