Create errors with failure

The plugins are mostly not using the new errors yet and
the error handling in the Factoids plugin is just temporary.

1 files changed, 1 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 961ffb9..2d4087a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,6 +37,7 @@ serde           = "1.0.27"
 serde_json      = "1.0.9"
 chrono          = "0.4.0"
 glob            = "0.2.11"
+failure         = "0.1.1"
 
 frippy_derive = { path = "frippy_derive" }