[cxxtags] Added accessibility information to table 'decl'.
[cxxtags] Added inclusion information.
[cxxtags][cxxtags_db_manager][cxxtags_query] Refactored.
refactored.
changes to follow new llvm release.
implemented '-g' option. this directs cxxtags to get build options from elf section ".GCC.command.line".
refactored.
refactored.
changed logic to skip indexing.
fixed a bug of test.
changed type of string index.
stopped debug print.
enabled to pass additional arguments when "-g" option is specified.
make option handling more robust.