README.md in invoice_printer-0.0.5 vs README.md in invoice_printer-0.0.6

@@ -21,10 +21,11 @@
 - Final subtotal/tax/total info box
 - Page numbers
 - Configurable labels
 - Configurable font file
 - Logotype
+- Stamp & signature (as image)
 - Note
 - Well tested
 
 ## Installation
 
@@ -76,21 +77,21 @@
 )
 
 invoice = InvoicePrinter::Document.new(
   number: '201604030001',
   provider_name: 'Business s.r.o.',
-  provider_ic: '56565656',
-  provider_dic: '465454',
+  provider_tax_id: '56565656',
+  provider_tax_id2: '465454',
   provider_street: 'Rolnicka',
   provider_street_number: '1',
   provider_postcode: '747 05',
   provider_city: 'Opava',
   provider_city_part: 'Katerinky',
   provider_extra_address_line: 'Czech Republic',
   purchaser_name: 'Adam',
-  purchaser_ic: '',
-  purchaser_dic: '',
+  purchaser_tax_id: '',
+  purchaser_tax_id2: '',
   purchaser_street: 'Ostravska',
   purchaser_street_number: '1',
   purchaser_postcode: '747 70',
   purchaser_city: 'Opava',
   purchaser_city_part: '',
@@ -137,11 +138,11 @@
 ```ruby
 InvoicePrinter.labels = {
   name: 'Invoice'
   provider: 'Provider',
   purchaser: 'Purchaser',
-  ic: 'Identification number',
-  dic: 'Identification number',
+  tax_id: 'Identification number',
+  tax_id2: 'Identification number',
   payment: 'Payment',
   payment_by_transfer: 'Payment by bank transfer on the account below:',
   payment_in_cash: 'Payment in cash',
   account_number: 'Account NO',
   swift: 'SWIFT',