* Config: fix don't create empty dir when resolving path
* Config: refactor config file loaders
* add a layer of abstraction so that config can be loaded from non-files
* use io.Reader / io.Writer abstraction to separate data operations from
file operations
* remove dryrun option from SaveConfig - now it always saves
* rename read and save methods to mention file operations
* log error when encryption prompt fails
* as the user didn't make a choice, we'd prompt again next time the file
is loaded
* add file.Writer tests
* skip permissions test for windows
* defer creating the writer on save to the last moment
* this avoids truncating file when there is error with password prompt
* add a test
* tests with StdIn cannot run in parallel
* Various bug fixes
* Deadlink, cleanup plus bug fixes
* Various Kraken fixes
* Add convert func for decimal unix timestamps
* Convert all test times to UTC
* Kraken: Make assets a pointer to prevent excessive copying
* Docker slash fix
* Address nits plus bump ITBit last checked pairs timestamp
* Set pairs to enabled pairs when getting active orders
* Use asset translator for UpdateAccountInfo and more checks for the exchange template tool
* Address MadCozBadd's nits
* Make exchange var 2 chars
* Make program more user friendly
* Project wide comment checks and exchName check
* Fix Huobi indexing bug and use correct pair formatting
* Address nits + readme change
