Merge pull request #178 from lclc/depsChai

Moved chai4 & 5 to /deps/
Remove .gitattributes.
Merge pull request #181 from randy-waterhouse/develop

Remove .gitattributes.
Move irrxml to /deps/
Merge pull request #179 from lclc/depsIrrxml

irrxml to /deps/
Convert CRLF to LF line endings

These files were revealed when .gitattributes had the
following entry:
* text eol=lf

Apparently, if this entry is present and text files exist
that contain CRLF, git will behave extremely annoying.
Merge pull request #182 from toxeus/fixCRLFtoLF

Fix CRLF to LF line endings
Move simpleini to deps