Update r dependencies

Merge pull request #41 from CRI-iAtlas/develop

Develop

0.2.8

Merge pull request #37 from CRI-iAtlas/develop

doucment new function

0.2.7

Merge pull request #31 from CRI-iAtlas/andrewelamb-patch-1

Update DESCRIPTION

0.2.6

Merge pull request #30 from CRI-iAtlas/single_cell_queries

redid single cell queries

0.2.5: Merge pull request #28 from CRI-iAtlas/single_cell_queries

fix wrong column names

0.2.4

Merge pull request #25 from CRI-iAtlas/develop

Develop

0.2.3

Merge pull request #20 from CRI-iAtlas/update_packages

fix documentation

0.2.2

Merge pull request #19 from CRI-iAtlas/update_packages

Fix node queries

0.2.1

Merge pull request #12 from CRI-iAtlas/fix_tags_queries

fix bug

0.2.0

Merge pull request #9 from CRI-iAtlas/new_api

updated to use new api