diff --git a/Project.toml b/Project.toml
index 9e1a3e7..914cbc2 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "ImageTracking"
 uuid = "7632190a-71f5-11e9-04ef-99e081817785"
-version = "0.1.0"
+version = "0.2.0"
 
 [deps]
 AxisAlgorithms = "13072b0f-2c55-5437-9ae7-d433b7a33950"
diff --git a/src/utility.jl b/src/utility.jl
index 5ec09df..85dc3f5 100644
--- a/src/utility.jl
+++ b/src/utility.jl
@@ -320,7 +320,7 @@ function calculate_statistics(error::Array{Float64, 2})
 
     # AX stats
     AX_count = Dict()
-    edges, counts = imhist(error)
+    edges, counts = build_histogram(error)
     max_val = maximum(counts)
     total_pix = length(error)
     pixel_cumulative_count = cumsum(counts)
diff --git a/test/error_evaluation.jl b/test/error_evaluation.jl
index 1c5e17e..66c9770 100644
--- a/test/error_evaluation.jl
+++ b/test/error_evaluation.jl
@@ -1,16 +1,11 @@
-# We output a message after loading each package to work around a
-# ten-minute timeout limit on Travis. Travis assumes the tests have hung
-# if the interval between printing something to stdio exceeds ten minutes.
 using Images
-@info "Finished loading Images package."
 using StaticArrays
-@info "Finished loading StaticArrays package."
 
 @testset "Error Evaluation" begin
     @info "Running flow evaluation test."
 
     img1 = load("../demo/car2.jpg")
-    img2 = load("../demo/car1.jpg") 
+    img2 = load("../demo/car1.jpg")
 
     algorithm = Farneback(50, estimation_window = 11,
                          σ_estimation_window = 9.0,
@@ -35,4 +30,4 @@ using StaticArrays
     @test ep_AX[0.5] < 1e-5
     @test ang_RX[0.5] == 0
     @test ang_AX[0.5] < 1e-5
-end;
+end
diff --git a/test/farneback.jl b/test/farneback.jl
index 83dc9e0..1986397 100644
--- a/test/farneback.jl
+++ b/test/farneback.jl
@@ -1,18 +1,9 @@
-# We output a message after loading each package to work around a
-# ten-minute timeout limit on Travis. Travis assumes the tests have hung
-# if the interval between printing something to stdio exceeds ten minutes.
 using Images
-@info "Finished loading Images package."
 using TestImages
-@info "Finished loading TestImages package."
 using StaticArrays
-@info "Finished loading StaticArrays package."
 using OffsetArrays
-@info "Finished loading OffsetArrays package."
 using Random
-@info "Finished loading Random package."
 using CoordinateTransformations
-@info "Finished loading CoordinateTransformations package."
 
 function evaluate_error(dims, flow::Array{SVector{2, Float64}, 2},  Δ,  tol)
     error_count = 0
@@ -164,4 +155,4 @@ end
 
     end
 
-end;
+end
diff --git a/test/visualization.jl b/test/visualization.jl
index 8852cfc..c45f66d 100644
--- a/test/visualization.jl
+++ b/test/visualization.jl
@@ -1,12 +1,5 @@
-# We output a message after loading each package to work around a
-# ten-minute timeout limit on Travis. Travis assumes the tests have hung
-# if the interval between printing something to stdio exceeds ten minutes.
 using Images
-@info "Finished loading Images package."
 using StaticArrays
-@info "Finished loading StaticArrays package."
-
-
 
 @testset "Visualization" begin
     @info "Running flow visualization test."
@@ -25,4 +18,4 @@ using StaticArrays
     @test hsv[2] == hsv[4]
     @test hsv[3] == hsv[5]
 
-end;
+end