Py-algorand-sdk

Added
- Added support for Algorand Smart Contracts (ASC)
- Dynamic fee contract
- Limit order contract
- Periodic payment contract
- Added SuggestedParams, which contains fee, first valid round, last valid round, genesis hash, and genesis ID; transactions and templates from 'future' take SuggestedParams as an argument.
- Added suggested_params_as_object() in algod

Added
- Added asset decimals field.

Added
- Added support for Algorand Standardized Assets (ASA)
- Added support for Algorand Smart Contracts (ASC)
- Added support for Hashed Time Lock Contract (HTLC)
- Added support for Split contract
- Added support for Group Transactions
- Added support for leases

Added
- custom headers and example

Changed
- more flexibility in transactions_by_address()
- documentation changes

Added
- signing and verifying signatures for arbitrary bytes