chore: update changelog [skip ci]

Author: adhocore

CHANGELOG.md

@@ -0,0 +1,15 @@
+## [v0.1.0] 2018-08-19 06:08:30 UTC
+
+- [1c3223c](https://github.com/adhocore/php-underscore/commit/1c3223c) build: temp disable php5.6 (Jitendra Adhikari)
+- [39c9550](https://github.com/adhocore/php-underscore/commit/39c9550) refactor (Jitendra Adhikari)
+- [1e45992](https://github.com/adhocore/php-underscore/commit/1e45992) test: fix test, we still use php5 (Jitendra Adhikari)
+- [94c940a](https://github.com/adhocore/php-underscore/commit/94c940a) docs: add Arrayizes (Jitendra Adhikari)
+- [067e8d5](https://github.com/adhocore/php-underscore/commit/067e8d5) docs: add toc, higher order msg (Jitendra Adhikari)
+- [43522a6](https://github.com/adhocore/php-underscore/commit/43522a6) test(hom): test call/get (Jitendra Adhikari)
+- [a8b34b7](https://github.com/adhocore/php-underscore/commit/a8b34b7) test(hom): add stub, test call/get (Jitendra Adhikari)
+- [e455c99](https://github.com/adhocore/php-underscore/commit/e455c99) fix(hom): missing return (Jitendra Adhikari)
+- [6ba1916](https://github.com/adhocore/php-underscore/commit/6ba1916) feat(hom): support higher order messaging (Jitendra Adhikari)
+- [0b142f4](https://github.com/adhocore/php-underscore/commit/0b142f4) feat(base): support higer order messaging [wip] (Jitendra Adhikari)
+- [57f51eb](https://github.com/adhocore/php-underscore/commit/57f51eb) Test enhancement (peter279k)
+- [3f9854c](https://github.com/adhocore/php-underscore/commit/3f9854c) docs: fix badge (Jitendra Adhikari)
+