v0.5.1

* Fixed a bug where `stack` made unnecessary vector copies

v0.5.0

* `stack` is now compiled using `Rcpp` (#26)
* `mask` will now make `NA` values `FALSE`
* `melt` now keeps object names for multiple arrays (#25)

narray 0.4.1

* speed improvements for `construct`, `melt` (#23)
* `lambda` adds `tbl_df` class if `simplify=FALSE` (#19)
* `map`, `lambda`, `stack` now have progress bars after 5s (#16)
* Package no longer depends on `reshape2`

narray 0.4.0

API changes

* Package no longer depends on `abind`, `pryr`
* `along=-1` uses last dimension in `flatten`, `subset` (#6)
* `summarize` is kept as `translate`
* `construct` no longer allows value aggregation; do this on the `data.frame`
  before (related to #11)

New functionality

* `stack` now also accepts multiple arrays as arguments
* `construct` now as `name_axes` option to keep column names (#12)
* new `lambda` syntax (#14)

Bugfix

* `map` subsets that are `NA` are dropped with a warning (#13)
* `map` subsets throw error if not same length as array axis

narray 0.3.2

* add `collect` function as opposite to `mask`
* deprecate `summarize` in favor of `map`
* adjust tests for `testthat>=2`

use CRAN title case

check only tests if uppercase .R ext