Add C math library in CMake build system
Fix osl_any
Add osl_c_str_ignore_line, osl_c_str_ignore_line_delimiter, osl_c_str_ignore_line_from_c_str and osl_c_str_ignore_line_from_c_str_delimiter functions
Add osl_vector_T_remove_last function
Add osl_lint and osl_llint int types
Add functions about char type