1. Change response processing to copy out of a channel to array

[ekaley]

1. re-write processing logic
2. wrap error handling & handle response errors from w/in go routines

[coveralls]

Coverage increased (+8.2%) to 100.0% when pulling e1b2e89 on concurrency_fix into 4b31f10 on master.

[coveralls]

Coverage remained the same at 91.795% when pulling d2fbcf6 on concurrency_fix into 4b31f10 on master.

[coveralls]

Coverage remained the same at 91.795% when pulling 9fe3d14 on concurrency_fix into 4b31f10 on master.

[coveralls]

Coverage increased (+8.2%) to 100.0% when pulling ab0ea85 on concurrency_fix into 4b31f10 on master.

[coveralls]

Coverage decreased (-1.5%) to 90.303% when pulling f8cef86 on concurrency_fix into 4b31f10 on master.

[coveralls]

Coverage remained the same at 91.795% when pulling 6e1a508 on concurrency_fix into 4b31f10 on master.

[coveralls]

Coverage decreased (-1.5%) to 90.303% when pulling 7788709 on concurrency_fix into 4b31f10 on master.