Add -Werror to AM_CXXFLAGS and move most C++ only flag to AM_CXXFLAGS
Rename most getter function in ElfImage
Rename most getter function in ElfProgramHeader
Change type for ElfProgramHeader::segment and add ElfProgramHeader::operator[]
Rename getter for ElfSegment and add few alias function for getter
Rename getter function for ElfSection
Make ElfSection::content() and ElfSection::print as const member function
Rename getter function for ElfSymbol
Add const version for programHeader() and symbolTable() for ElfImage
Update interface for ElfImage::section
Add const version for ElfProgramHeader::segment() ElfProgramHeader::operator()