diff --git a/appveyor.yml b/appveyor.yml
new file mode 100644
index 0000000..dbc29e4
--- /dev/null
+++ b/appveyor.yml
@@ -0,0 +1,41 @@
+environment:
+  matrix:
+  - JULIAVERSION: "julialang/bin/winnt/x86/0.3/julia-0.3-latest-win32.exe"
+  - JULIAVERSION: "julialang/bin/winnt/x64/0.3/julia-0.3-latest-win64.exe"
+  - JULIAVERSION: "julialang/bin/winnt/x86/0.4/julia-0.4-latest-win32.exe"
+  - JULIAVERSION: "julialang/bin/winnt/x64/0.4/julia-0.4-latest-win64.exe"
+  - JULIAVERSION: "julianightlies/bin/winnt/x86/julia-latest-win32.exe"
+  - JULIAVERSION: "julianightlies/bin/winnt/x64/julia-latest-win64.exe"
+
+branches:
+  only:
+    - master
+    - /release-.*/
+
+notifications:
+  - provider: Email
+    on_build_success: false
+    on_build_failure: false
+    on_build_status_changed: false
+
+install:
+# if there's a newer build queued for the same PR, cancel this one
+  - ps: if ($env:APPVEYOR_PULL_REQUEST_NUMBER -and $env:APPVEYOR_BUILD_NUMBER -ne ((Invoke-RestMethod `
+        https://ci.appveyor.com/api/projects/$env:APPVEYOR_ACCOUNT_NAME/$env:APPVEYOR_PROJECT_SLUG/history?recordsNumber=50).builds | `
+        Where-Object pullRequestId -eq $env:APPVEYOR_PULL_REQUEST_NUMBER)[0].buildNumber) { `
+        throw "There are newer queued builds for this pull request, failing early." }
+# Download most recent Julia Windows binary
+  - ps: (new-object net.webclient).DownloadFile(
+        $("http://s3.amazonaws.com/"+$env:JULIAVERSION),
+        "C:\projects\julia-binary.exe")
+# Run installer silently, output to C:\projects\julia
+  - C:\projects\julia-binary.exe /S /D=C:\projects\julia
+
+build_script:
+# Need to convert from shallow to complete for Pkg.clone to work
+  - IF EXIST .git\shallow (git fetch --unshallow)
+  - C:\projects\julia\bin\julia -F -e "versioninfo();
+      Pkg.clone(pwd(), \"Winston\"); Pkg.build(\"Winston\")"
+
+test_script:
+  - C:\projects\julia\bin\julia --check-bounds=yes -e "Pkg.test(\"Winston\")"
diff --git a/src/Winston.jl b/src/Winston.jl
index 293da38..a5b0ab3 100644
--- a/src/Winston.jl
+++ b/src/Winston.jl
@@ -10,7 +10,6 @@ end
 using IniFile
 using Compat
 using Dates
-
 isdefined(Base, :Libc) && (strftime = Libc.strftime)
 isdefined(Base, :Dates) && (datetime2unix = Dates.datetime2unix)
 
@@ -93,7 +92,7 @@ import Base: copy,
 export get_context, device_to_data, data_to_device
 
 if VERSION < v"0.3-"
-    typealias AbstractVecOrMat{T} (@compat Union{AbstractVector{T}, AbstractMatrix{T}})
+    typealias AbstractVecOrMat{T}(@compat Union{AbstractVector{T}, AbstractMatrix{T}})
     extrema(x) = (minimum(x),maximum(x))
     Base.push!(x, a, b) = (push!(x, a); push!(x, b))
 elseif VERSION < v"0.4-"
diff --git a/src/plot.jl b/src/plot.jl
index d37fdfd..2fb32b8 100644
--- a/src/plot.jl
+++ b/src/plot.jl
@@ -569,7 +569,7 @@ function fplot(f::Function, limits, args...; kvs...)
             pargs = [arg]
         elseif typeof(arg) <: Integer
             fopts[:min_points] = arg
-        elseif typeof(arg) <: FloatingPoint
+        elseif typeof(arg) <: @compat AbstractFloat
             fopts[:tol] = arg
         else
             error("unrecognized argument ", arg)
diff --git a/src/renderer.jl b/src/renderer.jl
index 6b1ebca..fc3af34 100644
--- a/src/renderer.jl
+++ b/src/renderer.jl
@@ -60,7 +60,7 @@ end
 ## state commands
 
 color_to_rgb(i::Integer) = convert(RGB, RGB24(unsigned(i)))
-color_to_rgb(s::AbstractString) = color(s)
+color_to_rgb(s::AbstractString) =parse(Colorant,s)
 color_to_rgb(rgb::@compat(Tuple{Real,Real,Real})) = RGB(rgb...)
 color_to_rgb(cv::Color) = convert(RGB, cv)
 color_to_rgb(cv::TransparentColor) = cv