Update dependencies and bigint api (#5685)

* update to latest bigint

* bump elastic array and deps

* fix rlp tests

* also update all smallvec deps

* fix doc test

* reduce parking in attempt to fix CI bug

* fix from/into electum bug

* remove duplicate imports

ethcore/src/evm/evm.rs

@@ -17,7 +17,7 @@
 //! Evm interface.
 
 use std::{ops, cmp, fmt};
-use util::{U128, U256, U512, Uint, trie};
+use util::{U128, U256, U512, trie};
 use action_params::ActionParams;
 use evm::Ext;
 use builtin;
@@ -181,11 +181,11 @@ impl CostType for U256 {
 	}
 
 	fn overflow_add(self, other: Self) -> (Self, bool) {
-		Uint::overflowing_add(self, other)
+		self.overflowing_add(other)
 	}
 
 	fn overflow_mul(self, other: Self) -> (Self, bool) {
-		Uint::overflowing_mul(self, other)
+		self.overflowing_mul(other)
 	}
 
 	fn overflow_mul_shr(self, other: Self, shr: usize) -> (Self, bool) {
@@ -250,7 +250,7 @@ pub trait Evm {
 
 #[cfg(test)]
 mod tests {
-	use util::{U256, Uint};
+	use util::U256;
 	use super::CostType;
 
 	#[test]

ethcore/src/evm/factory.rs

@@ -20,7 +20,7 @@
 use std::fmt;
 use std::sync::Arc;
 use evm::Evm;
-use util::{U256, Uint};
+use util::U256;
 use super::interpreter::SharedCache;
 
 #[derive(Debug, PartialEq, Clone)]

ethcore/src/evm/interpreter/memory.rs

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
-use util::{U256, Uint};
+use util::U256;
 
 pub trait Memory {
 	/// Retrieve current size of the memory