Change LightGraphs to Graphs (#32)

* updated LightGraphs -> Graphs

* updated supported TikzGraphs versions

Author: lmondada

Project.toml

@@ -4,15 +4,15 @@ version = "0.4.0"
 
 [deps]
 CommonSubexpressions = "bbf7d656-a473-5ed7-a52c-81e309532950"
-LightGraphs = "093fc24a-ae57-5d10-9952-331d41423f4d"
+Graphs = "86223c79-3864-5bf0-83f7-82e725a168b6"
 MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"
 TikzGraphs = "b4f28e30-c73f-5eaf-a395-8a9db949a742"
 
 [compat]
 CommonSubexpressions = "0.2, 0.3"
-LightGraphs = "0.13.1, 0.14, 1.0, 1.1, 1.2, 1.3"
+Graphs = "1.4, 1.5, 1.6"
 MacroTools = "0.4, 0.5"
-TikzGraphs = "1.0, 1.1"
+TikzGraphs = "1.3"
 julia = "^0.7, ^1"
 
 [extras]

src/TreeView.jl

@@ -1,6 +1,6 @@
 module TreeView
 
-using LightGraphs, TikzGraphs
+using Graphs, TikzGraphs
 using MacroTools
 using CommonSubexpressions
 

test/runtests.jl

@@ -1,5 +1,5 @@
 using TreeView
-using LightGraphs
+using Graphs
 using Test
 
 # write your own tests here
@@ -8,7 +8,7 @@ using Test
     t = @tree 1x
 
     @test isa(t, TreeView.LabelledTree)
-    @test isa(t.g, LightGraphs.DiGraph)
+    @test isa(t.g, Graphs.DiGraph)
     @test isa(t.labels, Vector{Any})
 
     @test vertices(t.g) == collect(1:3)