Tweak LinkingTo formatting
build_index_cpp now sorts the data and structure the information with 'group_sizes' and 'biggest_group_size' attributes. #56
replace Index_0_based by SlicingIndex that takes advantage of the imposed ordering of the data. #56
initial internal impl for right_join. #96
using boost::scoped_ptr to rm the explicit delete call.
sketch the support class ShrinkableVector
sketch the support class ShrinkableVector
Whitelist master branch [skip ci]
More fixes for tbl_array -> tbl_cube
Don't try and test against postgres if not available.
expose max_group_size as a method of GroupedDataFrame
Merge branch 'sorted'
propagate the Environment dow to CallProxy
lookup variables in the parent frame if not found in the data's environment. closes #99
oops. arrange needs the environment to be the data environment with parent env the parent.frame
added eval_tbls.
build_index_cpp was not subsetting all the varoables but only those in attr(vars)
GroupedDataFrame was not setting labels correctly
oops. did not mean to comment out postgres and sqlite
fix ordering. passes all tests for me. closes #100