* WIP
* Added check for time out of sync
* merged upstream/master
* added tests
* Increased configuration options for NTPclient and test coverage
* removed unneeded config save at end of ntp update
* Added test for empty response to confirm it will loop
* formatting correction
* converted to pointer to allow for default allowance settings to be checked
* added readme for NTP server
* corrected some formatting
* updated configtest negativedifference value
* gofmt config_test.go for correct import order
* corrected typo value in test
* bugfix for windows newline and changes based on PR feedback
* added minus sign to output
* fixed negative number input
* Fixed spelling mistakes and removed redundant test
* reverted back to a positive number in the config instead of negative for allowednegativedifference
* restructured code for cleaner output
