Add support to mark a company founded or sold date as having the month or the day unknown. Fixes #16.

.editorconfig

@@ -11,8 +11,8 @@ indent_size=4
 brace_style=next_line
 int_align=true
 keep_existing_arrangement=false
-place_simple_blocks_on_single_line=false
-place_simple_declaration_blocks_on_single_line=false
+place_simple_blocks_on_single_line=true
+place_simple_declaration_blocks_on_single_line=true
 place_attribute_on_same_line=false
 space_after_unary_operator=false
 space_after_comma=true
@@ -48,13 +48,13 @@ accessor_owner_body=expression_body
 force_attribute_style=join
 function_braces=next_line
 force_control_statements_braces=always_remove
-
+space_in_singleline_accessorholder=true
 type_declaration_braces=next_line
 invocable_declaration_braces=next_line
 anonymous_method_declaration_braces=next_line
-
+space_between_accessors_in_singleline_property=true
 indent_nested_usings_stmt=true
-
+space_within_empty_braces=false
 indent_nested_fixed_stmt=true
 indent_nested_lock_stmt=true
 indent_nested_for_stmt=true
@@ -154,7 +154,7 @@ place_simple_embedded_block_on_same_line=false
 place_simple_anonymousmethod_on_single_line=false
 keep_existing_initializer_arrangement=false
 place_simple_initializer_on_single_line=false
-wrap_object_and_collection_initializer_style=wrap_if_long
+wrap_object_and_collection_initializer_style=chop_always
 wrap_array_initializer_style=wrap_if_long
 wrap_arguments_style=wrap_if_long
 keep_existing_invocation_parens_arrangement=false
@@ -175,7 +175,7 @@ wrap_before_linq_expression=false
 place_linq_into_on_new_line=false
 wrap_verbatim_interpolated_strings=wrap_if_long
 extra_spaces=remove_all
-space_after_keywords_in_control_flow_statements=true
+space_after_keywords_in_control_flow_statements=false
 space_between_method_call_name_and_opening_parenthesis=false
 space_between_method_declaration_name_and_open_parenthesis=false
 space_before_typeof_parentheses=false
@@ -206,6 +206,10 @@ blank_lines_around_class_definition=1
 namespace_indentation=all
 space_within_template_argument=false
 align_union_type_usage=true
+space_in_singleline_method=true
+space_in_singleline_anonymous_method=true
+space_within_single_line_array_initializer_braces=true
+space_around_arrow_op=false
 
 # These are for markup languages (HTML, XML, etc)
 spaces_around_eq_in_pi_attribute=false
@@ -294,7 +298,7 @@ dotnet_sort_system_directives_first=true
 
 # Constants in C style, all-caps
 dotnet_naming_rule.constant_fields_caps.symbols = constant_fields
-dotnet_naming_rule.constant_fields_caps.severity = suggestion
+dotnet_naming_rule.constant_fields_caps.severity = warning
 dotnet_naming_rule.constant_fields_caps.style = caps_style
 dotnet_naming_symbols.constant_fields.applicable_kinds = field
 dotnet_naming_symbols.constant_fields.required_modifiers = const
@@ -309,7 +313,7 @@ dotnet_naming_style.pascal_case_interface_style.required_prefix = I
 dotnet_naming_style.pascal_case_interface_style.capitalization = pascal_case
 
 ## internal and private fields should be _camelCase
-dotnet_naming_rule.camel_case_for_private_internal_fields.severity = suggestion
+dotnet_naming_rule.camel_case_for_private_internal_fields.severity = warning
 dotnet_naming_rule.camel_case_for_private_internal_fields.symbols  = private_internal_fields
 dotnet_naming_rule.camel_case_for_private_internal_fields.style    = camel_case_underscore_style
 dotnet_naming_symbols.private_internal_fields.applicable_kinds = field
@@ -502,6 +506,7 @@ csharp_int_align_invocations=false
 csharp_int_align_binary_expressions=true
 csharp_int_align_comments=true
 csharp_int_align_switch_sections=true
+csharp_int_align=true
 csharp_keep_user_linebreaks=false
 csharp_keep_existing_arrangement=false
 csharp_keep_existing_linebreaks=false
@@ -555,7 +560,7 @@ csharp_place_simple_embedded_block_on_same_line=false
 csharp_place_simple_anonymousmethod_on_single_line=false
 csharp_keep_existing_initializer_arrangement=false
 csharp_place_simple_initializer_on_single_line=false
-csharp_wrap_object_and_collection_initializer_style=wrap_if_long
+csharp_wrap_object_and_collection_initializer_style=chop_always
 csharp_wrap_array_initializer_style=wrap_if_long
 csharp_wrap_arguments_style=wrap_if_long
 csharp_keep_existing_invocation_parens_arrangement=false
@@ -583,8 +588,8 @@ csharp_space_before_typeof_parentheses=false
 csharp_space_before_checked_parentheses=false
 csharp_space_before_sizeof_parentheses=false
 csharp_space_before_nameof_parentheses=false
-csharp_space_between_keyword_and_expression=false
-csharp_space_between_keyword_and_type=false
+csharp_space_between_keyword_and_expression=true
+csharp_space_between_keyword_and_type=true
 csharp_space_around_assignment_op=true
 csharp_space_around_logical_op=true
 csharp_space_around_binary_operator=true