[twgit] Init feature 'feature-array-merge-recursive'.
Add arrayMergeRecursiveDistinct() and isAssociativeArray()
Add some unit tests.
rename Tools -> Helpers
Add gihtub doc.
[twgit] Init release 'release-1.1.0'.
Merge branch 'feature-array-merge-recursive' into release-1.1.0
fix paths of README.md and tests travis.ci
fix for travis.ci
fix: composer with travis.ci
Merge branch 'release-1.1.0' into stable