ji.ds.colnames added
Added for loop for checking whether x is a matrix or a dataframe
Typo amended
Checking whether x is a marix-like object is left out temporarily
ji.ds.dim added
Second example changed
ji.ds.range added
Typo amended
Code amended
ji.ds.is.numeric added
ji.ds.is.character added
ji.ds.is.factor added
ji.ds.NROW added
ji.ds.class added
ji.ds.levels added
ji.ds.is.list added
Code amended
Typo amended
Typo amended
Uncommented some parts for pulling the branches

Merge branch 'master' of https://github.com/datashield/ji.dev.cl

Conflicts:
	R/ji.ds.colnames.R