Really really minor stuff

.gitignore

@@ -1,5 +1,6 @@
 *.gem
 *.rbc
+.DS_Store
 .bundle
 .config
 .yardoc

Gemfile.lock

@@ -1,20 +1,21 @@
 PATH
   remote: .
   specs:
-    pxlsrt (1.0.1)
-      oily_png (= 1.1.1)
+    pxlsrt (1.6.2)
+      oily_png (~> 1.1.2)
       thor (~> 0.18)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    chunky_png (1.3.1)
-    oily_png (1.1.1)
-      chunky_png (~> 1.3.0)
+    chunky_png (1.3.3)
+    oily_png (1.1.2)
+      chunky_png (~> 1.3.1)
     rake (10.3.2)
     thor (0.19.1)
 
 PLATFORMS
+  ruby
   x64-mingw32
 
 DEPENDENCIES

lib/pxlsrt/colors.rb

@@ -12,7 +12,7 @@ def self.getRGBA(pxl)
 		##
 		# Check if file is a PNG image. ChunkyPNG only works with PNG images. Eventually, I might use conversion tools to add support, but not right now.
 		def self.isPNG?(path)
-			return File.read(path).bytes==[137, 80, 78, 71, 10]
+			return File.open(path, 'rb').read(9).include?('PNG')
 		end
 		##
 		# Converts an RGB-like array ([red, green, blue]) into an HSB-like array ([hue, saturation, brightness]).

lib/pxlsrt/helpers.rb

@@ -5,7 +5,7 @@ class Helpers
 		##
 		# Determines if a value has content.
 		def self.contented(c)
-			return (c.class!=NilClass and ((defined? c)!="nil") and ((/(\S)/.match("#{c}"))!=nil))
+			return c != nil
 		end
 		##
 		# Used to output a red string to the terminal.

lib/pxlsrt/version.rb

@@ -1,5 +1,5 @@
 ##
 # The main module, your best friend.
 module Pxlsrt
-  VERSION = "1.6.1"
+  VERSION = "1.6.2"
 end

pxlsrt.gemspec

@@ -20,6 +20,6 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "bundler", "~> 1.6"
   spec.add_development_dependency "rake", "~> 10.2"
-  spec.add_dependency "oily_png", "1.1.1"
+  spec.add_dependency "oily_png", "~> 1.1.2"
   spec.add_dependency "thor", "~> 0.18"
 end