Update x_.R

reworking x_ automatic method writing; the code is low quality and possible broken.
Update x_.R
Update x_.R
Update x_.R
Update x_.R

fixed bad indents.
Update tools_colourise.R
Update xCapture.R
Update xAny.R
Update xAt.R
Update xAtCol.R
Update xChop.R
Update xFlatten.R
added makevariadic
Merge branch 'develop' of https://github.com/rgrannell1/arrow into develop
added variadic to other functions; still breaks
fixed improper x_ in MakeVariadic, and added better error checking.
working on incrementing version
added version to readme
removed dead code from typed vector
removed proclaim object, made xLambda more efficient.