README.md in table_importer-0.2.3 vs README.md in table_importer-0.2.4

@@ -62,17 +62,22 @@
   
   # A hash of compulsory headers. At the moment only "email" is supported.
   :compulsory_headers => {
                             :email => true, false # Does each record require an email address to be valid?
                           }
+
+  # Whether nil values that are a string (ie strings that equal "NULL", "null", "nil", or "undefined") should be replaced with actual nil values.
+  :remove_nil_values => true
+  :remove_nil_values => false
   
 ```
 
 There are a few ways to interact with the table importer:
 
 ```
-  importer = TableImporter::Source.new({options})
+  options = { type: "csv",  }
+  importer = TableImporter::Source.new(options)
 
   # get the type
   puts importer.get_type
     => "csv"
     
@@ -86,21 +91,21 @@
     
   # Get the headers (either the first row if headers are provided, or else default headers
   puts importer.get_headers
    => "column_1, column_2, column_3"
   
-  # Get the first 8 lines (useful for providing a matching option for the user to map their own headers, like mailchimps contact import.
+  # Get the first 8 lines (useful for providing a matching option for the user to map their own headers, like Mailchimp's contact import.
   puts importer.get_preview_lines
     => [{:column_1 => "r1c1", :column_2 => "r1c2", :column_3 => "r1c3"}, {:column_1 => "r2c1", :column_2 => "r2c2", :column_3 => "r2c3"} etc]
   
   # Get input chunked in an input size (size defaults to 50)
   puts importer.get_chunks
     => All input chunked into 50 line blocks.
   
   puts importer.get_chunks(25)
     => All input chunked into 25 line blocks.
   
-  # The format for the returned chunks is not a simple array of hashes, like get_preview_lines
+  # The format for the returned chunks is not a simple array of hashes, like get_preview_lines, as it also includes per-row errors
   puts importer.get_chunks(2)
     => [{:lines => [{:column_1 => "r1c1", :column_2 => "r1c2", :column_3 => "r1c3"}, {:column_1 => "r2c1", :column_2 => "r2c2", :column_3 => "r2c3"}], :errors => []}, {:lines => [{:column_1 => "r3c1", :column_2 => "r3c2", :column_3 => "r3c3"}, {:column_1 => "r4c1", :column_2 => "r4c2", :column_3 => "r4c3"}], :errors => []}]
 
   # The errors hash is for lines that don't contain the compulsory headers, are blank/empty, or the entire line contains no alphanumeric characters.