enable continuous integration
bump version
add to .Rbuildignore
reflect latest development in R-travis
switch to craigcitro/r-travis
 #175: add failing tests
add .names parameter to l*ply function; if TRUE, .fun is expected to have a .name parameter that will receive the name of each item
update Rd
bugfix
don't try to be too clever
document new parameter
update Rd
Merge branch '175-llply-names' into develop