Fix CLI options set up

bin/wayback_machine_downloader

@@ -9,20 +9,24 @@ option_parser = OptionParser.new do |opts|
   opts.banner = "Usage: wayback_machine_downloader http://example.com"
 
   opts.separator ""
-  opts.separator "Download any website from the Wayback Machine."
+  opts.separator "Download an entire website from the Wayback Machine."
 
   opts.separator ""
   opts.separator "Optional options:"
 
-  opts.on("-t", "--timestamp TIMESTAMP", Integer, "Only files on or before timestamp supplied (ie. 20150806225358)") do |t|
-    options[:timestamp] = t
+  opts.on("-f", "--from TIMESTAMP", Integer, "Only files on or after timestamp supplied (ie. 20060716231334)") do |t|
+    options[:from_timestamp] = t
+  end
+
+  opts.on("-t", "--to TIMESTAMP", Integer, "Only files on or before timestamp supplied (ie. 20100916231334)") do |t|
+    options[:to_timestamp] = t
   end
 
   opts.on("-o", "--only ONLY_FILTER", String, "Restrict downloading to urls that match this filter (use // notation for the filter to be treated as a regex)") do |t|
     options[:only_filter] = t
   end
 
-  opts.on("-x", "--exclude EXCLUDE_FILTER", String, "Skip urls that match this filter (use // notation for the filter to be treated as a regex)") do |t|
+  opts.on("-x", "--exclude EXCLUDE_FILTER", String, "Skip downloading of urls that match this filter (use // notation for the filter to be treated as a regex)") do |t|
     options[:exclude_filter] = t
   end
 
@@ -32,7 +36,8 @@ option_parser = OptionParser.new do |opts|
 end.parse!
 
 if (base_url = ARGV[-1])
-  wayback_machine_downloader = WaybackMachineDownloader.new base_url: base_url, timestamp: options[:timestamp], only_filter: options[:only_filter], exclude_filter: options[:exclude_filter]
+  options[:base_url] = base_url
+  wayback_machine_downloader = WaybackMachineDownloader.new options
   wayback_machine_downloader.download_files
 elsif options[:version]
   puts WaybackMachineDownloader::VERSION