Minor bugfix comment usage (#22)

* minor bugfix - comment usage * bugfix - comment usage

Author: Eugen Günther

clean_code_main/clean_code_checks/y_check_comment_usage.clas.abap

@@ -141,6 +141,7 @@ CLASS Y_CHECK_COMMENT_USAGE IMPLEMENTATION.
 
   IF strlen( <token>-str ) GE 2 AND NOT
  ( <token>-str+0(2) EQ |*"| OR
+ <token>-str+0(2) EQ |"!| OR
  <token>-str+0(3) EQ |"#E| OR
  <token>-str+0(2) EQ |##| OR
  <token>-str CP '"' && object_name && '*.' ).

clean_code_main/clean_code_checks/y_check_comment_usage.clas.testclasses.abap

@@ -57,9 +57,9 @@ CLASS ltd_ref_scan_manager IMPLEMENTATION.
  ENDMETHOD.
 
  METHOD set_data_for_ok.
- levels = VALUE #( ( depth = 1 level = 0 stmnt = 0 from = 1 to = 14 name = 'ZTEST' type = 'P' ) ).
+ levels = VALUE #( ( depth = 1 level = 0 stmnt = 0 from = 1 to = 15 name = 'ZTEST' type = 'P' ) ).
 
- structures = VALUE #( ( stmnt_from = 1 stmnt_to = 14 stmnt_type = scan_struc_stmnt_type-function ) ).
+ structures = VALUE #( ( stmnt_from = 1 stmnt_to = 15 stmnt_type = scan_struc_stmnt_type-function ) ).
 
  statements = VALUE #( ( level = 1 from = '1' to = '1' type = 'P' )
  ( level = 1 from = '2' to = '2' type = 'K' )
@@ -73,7 +73,8 @@ CLASS ltd_ref_scan_manager IMPLEMENTATION.
  ( level = 1 from = '11' to = '11' type = 'P' )
  ( level = 1 from = '12' to = '12' type = 'P' )
  ( level = 1 from = '13' to = '13' type = 'P' )
- ( level = 1 from = '14' to = '14' type = 'K' ) ).
+ ( level = 1 from = '14' to = '14' type = 'K' )
+ ( level = 1 from = '15' to = '15' type = 'P' ) ).
 
  tokens = VALUE #( ( str = '"COMMENT'  type = 'C' row = 1 )
  ( str = 'FUNCTION'  type = 'I' row = 2 )
@@ -88,8 +89,9 @@ CLASS ltd_ref_scan_manager IMPLEMENTATION.
  ( str = '"COMMENT'  type = 'C' row = 10 )
  ( str = '*"*COMMENT'  type = 'C' row = 11 )
  ( str = '*"'  type = 'C' row = 12 )
- ( str = 'ENDFUNCTION' type = 'I' row = 13 )
- ( str = '"COMMENT'  type = 'C' row = 14 ) ).
+ ( str = '"! docu'  type = 'C' row = 13 )
+ ( str = 'ENDFUNCTION' type = 'I' row = 14 )
+ ( str = '"COMMENT'  type = 'C' row = 15 ) ).
  ENDMETHOD.
 
  METHOD set_data_for_error.