updated version

Author: gustavo-grieco

package.yaml

@@ -3,7 +3,7 @@ name: echidna
 author: Trail of Bits <echidna-dev@trailofbits.com>
 maintainer: Trail of Bits <echidna-dev@trailofbits.com>
 
-version: 2.0-alpha
+version: 2.0.0-b1
 
 ghc-options: -Wall -fno-warn-orphans -O2 -threaded +RTS -N -RTS