Update license to add note about fmt lib dependecy

LICENSE

@@ -2,6 +2,7 @@ The MIT License (MIT)
 
 Copyright (c) 2016 Gabi Melman.                                       
 
+This sowftare also uses the fmt library with MIT license (
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
@@ -20,3 +21,8 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 
+-- NOTE: Third party dependecy used by this library --
+This software uses the fmt lib (MIT License) https://github.com/fmtlib/fmt/blob/master/LICENSE.rst
+
+
+