Fix imagemagick check, Bump version

Author: HazAT

badge.gemspec

@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency 'fastlane_core', '>= 0.44.0', '< 1.0.0' # all shared code and dependencies
-  spec.add_dependency 'fastimage', '~> 1.6.3' # fetch the image sizes
-  spec.add_dependency 'mini_magick', '~> 4.5.1' # to add badge image on app icon
+  spec.add_dependency 'fastimage', '~> 1.6' # fetch the image sizes
+  spec.add_dependency 'mini_magick', '~> 4.5' # to add badge image on app icon
 
 end

lib/badge/base.rb

@@ -1,6 +1,6 @@
 module Badge
 
-	VERSION = "0.5.0"
+	VERSION = "0.5.1"
 	DESCRIPTION = "Add a badge overlay to your ios app icon"
 
 	def self.root

lib/badge/runner.rb

@@ -108,7 +108,8 @@ def load_shield(shield_string)
         file.close
       end
     end
-    def self.check_imagemagick!
+    
+    def check_imagemagick!
         return if `which convert`.include?('convert')
         return if `which gm`.include?('gm')