bump version and compatibility

Update .travis.yml

add tagbot

Add indexing for :name attribute

Merge pull request #10 from JuliaGraphs/add_indexing

index :name attribute, closes #9

Updates for Julia 1.0

Merge pull request #8 from JuliaGraphs/sbromberger/1.0

works on Julia 0.7

v0.1.1: Merge pull request #7 from JuliaGraphs/start_id_error

fix symbol naming bug missed in tests

v0.1.0

typos in readme

v0.0.1

typos in readme