Switch to using unicode table

So output displays correctly in less; previously the tables were messing
up all the output. Refer to:
Robpol86/terminaltables#42.

requirements.txt

@@ -16,6 +16,6 @@ pytest-mock==1.6.0
 python-Levenshtein==0.12.0
 simplegeneric==0.8.1
 six==1.10.0
-terminaltables==3.1.0
+-e git+https://github.com/BobWhitelock/terminaltables.git@2374ae57b8819adc57be5644799fc61cc8e2bf65#egg=terminaltables
 traitlets==4.3.2
 wcwidth==0.1.7

src/doc_parser.py

@@ -131,7 +131,7 @@ def parse_table(element):
         row_content = parse_table_row(row)
         table_data.append(row_content)
 
-    table = terminaltables.SingleTable(table_data).table
+    table = terminaltables.UnicodeSingleTable(table_data).table
     return table
 
 

src/test_doc_parser.py

@@ -108,7 +108,7 @@ def test_parsing_nested_elements():
 
 
 def test_parsing_table(mocker):
-    mocker.spy(terminaltables, 'SingleTable')
+    mocker.spy(terminaltables, 'UnicodeSingleTable')
 
     # Wrapper div included to ensure table parsed at any level.
     html = (
@@ -130,12 +130,12 @@ def test_parsing_table(mocker):
 
     # Test table created with correct data (more easily debuggable than
     # `parse_test`).
-    assert terminaltables.SingleTable.call_args_list == [
+    assert terminaltables.UnicodeSingleTable.call_args_list == [
         mock.call(expected_table_data)
     ]
 
     # Ensure correct table generated.
-    expected_terminal_table = terminaltables.SingleTable(
+    expected_terminal_table = terminaltables.UnicodeSingleTable(
         expected_table_data
     ).table
     parse_test(html, expected_terminal_table)