Preparing for demo

[rynoV]

• https://github.com/mlabs-haskell/seabug/issues/32
  • https://github.com/mlabs-haskell/seabug-contracts/commit/bb19f5924c224564ca151ba32b716426a8a588d8
  • https://github.com/mlabs-haskell/seabug-contracts/commit/e3391f557c3370e6f37a1a248211bdac0193ce85
  • https://github.com/mlabs-haskell/seabug-contracts/commit/6b4b57ff8054da86d2b338db900e2f5c309f0619
• https://github.com/mlabs-haskell/seabug/issues/33
  • https://github.com/mlabs-haskell/seabug-contracts/commit/b303fb7683060ebe481d53860ef5a8378d3a3bec
• https://github.com/mlabs-haskell/seabug/issues/35
  • https://github.com/mlabs-haskell/seabug-contracts/commit/2a93a2ac53d8efcdaa25281d4a0808880fe5b2f3
  • https://github.com/mlabs-haskell/seabug-contracts/commit/df982074de50d79f18dab20f5fc55d0cf406ba67