Build #11309120290:   implement shrink_to_fit (closes #44) on branch master 12 months ago

Build #260:   better handling when wrong sparse is present on branch master almost 6 years ago

Build #7:   cut unused test code to satisfy coveralls on branch master about 10 years ago

Build #21:   do not test on rust 1.0.0 on branch master almost 10 years ago

Build #12:   add a bunch of doc test examples! on branch master about 10 years ago