Lower bound to julia 1.4 and tag version 0.2

Author: Liozou

.appveyor.yml

@@ -1,7 +1,7 @@
 # Documentation: https://github.com/JuliaCI/Appveyor.jl
 environment:
   matrix:
-    - julia_version: 1.0
+    - julia_version: 1.4
     - julia_version: 1.5
     - julia_version: nightly
 platform:

.travis.yml

@@ -3,7 +3,7 @@ language: julia
 notifications:
   email: false
 julia:
-  - 1.0
+  - 1.4
   - 1.5
   - nightly
 os:

Project.toml

@@ -1,7 +1,7 @@
 name = "PeriodicGraphs"
 uuid = "18c5b727-b240-4874-878a-f2e242435bab"
 authors = ["Lionel Zoubritzky [email protected]"]
-version = "0.1.3"
+version = "0.2.0"
 
 [deps]
 LightGraphs = "093fc24a-ae57-5d10-9952-331d41423f4d"
@@ -11,7 +11,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 [compat]
 LightGraphs = "1.3"
 StaticArrays = "0.12"
-julia = "1"
+julia = "1.4"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

src/precompile.jl

@@ -44,6 +44,10 @@ function _precompile_()
         @assert Base.precompile(Tuple{typeof(swap_axes!),PeriodicGraph{i},Vector{Int}})
         @assert Base.precompile(Tuple{typeof(swap_axes!),PeriodicGraph{i},NTuple{i,Int}})
         @assert Base.precompile(Tuple{typeof(vertex_permutation),PeriodicGraph{i},Vector{Any}})
+
+        for j in 1:3
+            @assert Base.precompile(Tuple{typeof(PeriodicGraphs.change_dimension),Type{PeriodicGraph{i}},PeriodicGraph{j}})
+        end
     end
 end