Fix remaining texinfo code examples

Signed-off-by: lash <dev@holbrook.no>

python/README.md

@@ -61,10 +61,12 @@ matching `address(0x00)` should be skipped, and not counted towards
 
 May optionally record time when account was added.
 
-ERC165 Interface identifier  
+#### ERC165 Interface identifier
+
 b7bca625
 
-Solidity interface definition  
+#### Solidity interface definition
+
     interface IAccountsIndex {
         // Address added to store, index in array.
         event AddressAdded(uint256 indexed _idx, address _account);
@@ -88,7 +90,8 @@ Solidity interface definition
         function time(address) external view returns (uint256);
     }
 
-Reference implementation  
+#### Reference implementation
+
 <git://holbrook.no/eth-accounts-index.git> (v0.5.1)
 
 ### Accounts Index Mutable
@@ -99,10 +102,12 @@ address list.
 Addresses may be *added*, *removed*, aswell as *deactivated* and
 *activated*. Deactivated accounts still count towards the `entryCount`.
 
-ERC165 Interface identifier  
+#### ERC165 Interface identifier
+
 9479f0ae
 
-Solidity interface definition  
+#### Solidity interface definition
+
     interface IAccountsIndexMutable {
         // Active status of address changed, and by whom changed.
         event AddressActive(address indexed _account, bool _active);
@@ -123,7 +128,8 @@ Solidity interface definition
         function isActive(address) external view returns (bool);
     }
 
-Reference implementation  
+#### Reference implementation
+
 <git://holbrook.no/eth-accounts-index.git> (v0.5.1)
 
 ### Burner