Added ws_connbuf type
Bootstraped connbuf.c file
Added ws_connbuf_init()
Added ws_connbuf_deinit()
Added ws_connbuf_reserve()
Added ws_connbuf_append()
Added ws_connbuf_discard()
Added connbuf.c to CMakeLists.txt
Bootstraped value_set type
Added required headers
Added value_set_deinit()
Added ws_value_set_init()
Added ws_value_set_new()
Added ws_value_set_insert()
Added ws_value_set_remove()
Added ws_value_set_get()
Added ws_value_set_union()
Added ws_value_set_intersection()
Added ws_value_set_xor()
Added ws_value_set_is_subset()