Implemented table API in full

src/acpi/aml/mod.rs

src/acpi/aml/namespace.rs

src/acpi/aml/type1opcode.rs

src/acpi/aml/type2opcode.rs

src/acpi/mod.rs

src/acpi/rsdt.rs

src/acpi/rxsdt.rs

src/acpi/sdt.rs

src/acpi/xsdt.rs

src/lib.rs