adds note to changelog

adds note to changelog

Merge pull request #67 from GrahamCampbell/patch-1

Release 2.0.1

Merge pull request #30 from spekulatius/patch-1

updating badges

Merge pull request #25 from davedevelopment/better-wrapping

Wrap individual function calls

Merge pull request #22 from aik099/18-double-global-function-inclusio…

…n-fix

Add protection against double inclusion of global function declarations

added loading of functions with composer, improved travis and README …

…and coding style on the project