Fix deprecations (#7)

Author: femtocleaner[bot]

README.md

@@ -13,7 +13,7 @@ Pkg.add("ConcaveHull") # Add package
 using ConcaveHull
 using Plots
 
-points = [[th, -sin(th)] .+ (0.4*rand(2) - 0.2) for th in linspace(0,2pi,5000)];
+points = [[th, -sin(th)] .+ (0.4*rand(2) - 0.2) for th in range(0, stop=2pi, length=5000)];
 x = [p[1] for p in points];
 y = [p[2] for p in points];
 
@@ -23,7 +23,7 @@ hull_area = area(hull)
 scatter(x,y,ms=1,label="",axis=false,grid=false,markerstrokewidth=0.0)
 plot!(hull)
 annotate!(pi/2,0.5,"K = $(hull.k)")
-annotate!(pi/2,0.25,"Area $(round(hull_area,3))")
+annotate!(pi/2,0.25,"Area $(round(hull_area, digits=3))")
 ```
 ![](./docs/hull_15.png)
 
@@ -36,6 +36,6 @@ hull_area = area(hull)
 scatter(x,y,ms=1,label="",axis=false,grid=false,markerstrokewidth=0.0)
 plot!(hull)
 annotate!(pi/2,0.5,"K = $(hull.k)")
-annotate!(pi/2,0.25,"Area $(round(hull_area,3))")
+annotate!(pi/2,0.25,"Area $(round(hull_area, digits=3))")
 ```
 ![](./docs/hull_100.png)

src/concave_hull.jl

@@ -95,7 +95,7 @@ function concave_hull(tree::KDTree, k::Int)
 
         if inter
             if k+1 >= npoints
-                info("Unable to construct concave hull")
+                @info("Unable to construct concave hull")
                 return hull
             end
             return concave_hull(tree, k+1)
@@ -112,7 +112,7 @@ function concave_hull(tree::KDTree, k::Int)
 
     if any(~in_hull(p,hull) for p in tree.data[.~(ishull)])
         if k+1 >= npoints
-            info("Unable to construct concave hull")
+            @info("Unable to construct concave hull")
             return hull
         end
         return concave_hull(tree, k+1)