v0.0.6 - add ByteSplitWithEsc

Merge pull request #8 from jf-tech/split

Add `ByteSplitWithEsc` and also fix a bug in `IndexWithEsc`

v0.0.5 - add NewScannerByDelim3

Merge pull request #7 from jf-tech/scanbuf

Add NewScannerByDelim3 with pre-allocated buf to reduce mem allocation.

v0.0.4 - add FileExists and DirExists

Merge pull request #6 from jf-tech/files

Add FileExists and DirExists to ios package

v0.0.3 - fix iohelper -> ios package name

Merge pull request #4 from jf-tech/ios

change iohelper to ios

v0.0.2 - fix go.mod

Merge pull request #3 from jf-tech/gomod

go.mod change

v0.0.1 - initial release

Merge pull request #2 from jf-tech/lint

lint