use the CRAN repository and the PPA c2d4u
the binaries of xml, rcpp, rgl and rcurl are available in c2d4u
a new function kable(); closes #53 since it's unlikely for me to work on it
a vignette example for the DataTables library
string `base` too wide; remove it and make it a constant

just for the aggressive R CMD check for "width>90"!
move the knit_expand() examples to a vignette

just for the aggressive R CMD check for "width>90"!
tweak the read_chunk() example to make it easier to break for formatR
roxygenize
question mark for #554
news for #555
white space
little r
ctb instead of crb for #555
add Nick Salkowski and Sietse Brouwer to the contributor list
wrap long lines
rearrange authors alphabetically (by first names)
fixes the bug http://cos.name/cn/topic/110742
bump version