Mixing multiple versions of codechain-primitives makes weird errors.

```
Expected either PlatformAddress or string but found cccqyhk4388mymckk40ctf0skgkl8nf89f6sgpzwzke
at Function.ensure (.../node_modules/codechain-sdk/node_modules/codechain-primitives/src/address/PlatformAddress.ts:105:19)
at .../node_modules/codechain-sdk/lib/rpc/chain.js:473:98
at new Promise ()
at ChainRpc.getBalance (.../node_modules/codechain-sdk/lib/rpc/chain.js:471:16)
at Promise.all.addresses.map.address (.../src/CCC.ts:9:48)
at Array.map ()
at Object.getCCCBalances (.../src/CCC.ts:9:19)
at main (.../src/index.ts:94:46)
at processTicksAndRejections (internal/process/next_tick.js:81:5)
```