Update NEWS.Rd
fix docs
really need to export S3 methods
Revert "during package loading, relative paths passed to splice are interpreted as relative to the package's installation directory"

This reverts commit c7a816fa8b974f45d28f1a5e386e1436ffca51a1.

Conflicts:
	NEWS.md
	R/splice.R
Fix arguments for `str.dfsplice`
Roxygenize
Bump version to 0.0-1.2
Update NEWS.Rd