Fix un-anchored IsValidUUIDString regex
One more test
Better representation of the regex
Add feature flags.
Fix license
Merge pull request #94 from johnweldon/0-isvaliduuidstring-fix

Fix un-anchored IsValidUUIDString regex
Merge pull request #95 from howbazaar/featureflags

Add feature flags.
utils: add E, Z, Y suffixes to ParseSize

Also, change the way we parse the size.
Sscanf was unhappy about parsing numbers
followed with an E suffix, because it
thinks it's part of scientific notation.
Merge pull request #97 from axw/utils-size-moarsuffix

utils: add E, Z, Y suffixes to ParseSize
Specified platform-specific system error message regexes