Extract Python imports from files ending in ".py"
database::add_elf_image(): Update comment
cxll::pg_exception::pg_exception(const std::string &): New constructor
cxxll::pg_private::dispatch<bool>::load(): More precise error message
cxll::pg_response(): Extend to 10 arguments
cxxll::elf_image::program_header_range: New class
SQL schema: Add table symboldb.elf_program_header