removed some methods that array already has predefined (in some way)...

src/lib/array_enhancement.rb

@@ -1,34 +1,9 @@
 # small enhancements to array class
 module ArrayEnhancement
-
-	# returns a new array with only the first amount elements.
-	def take(amount)
-		first_n = []
-
-		if amount > self.size
-			amount = self.size
-		end
-
-		amount.times do |n|
-			first_n << self[n]
-		end
-
-		first_n
-	end
-
+
 	# returns a new array with the first amount elements left out.
 	def skip(amount)
-		self - self.take(amount)
-	end
-
-	# returns a new array with the last amount elements.
-	def last_n(amount)
-		self.skip(self.size - amount)
-	end
-
-	# same as last, only first (equal to take)
-	def first_n(amount)
-		self.take(amount)
+		self - self.first(amount)
 	end
 
 	def random