Updates for new ModuleInterfaceTools

v0.1.3

Remove _sprint, only used in StrLiterals

Update for Pkg3 changes

v0.1.2

Update REQUIRE and use Pkg3 on v0.7

Add Appveyor testing, badges, new Pkg changes

v0.1.1

Add Manifest.toml

Initial Release

v0.1.0

Change README.md and Travis script since ModuleInterfaceTools is regi…