Clean up Cargo.toml and up float-cmp

Cargo.toml

@@ -14,25 +14,24 @@ license = "MIT/Apache-2.0"
 travis-ci = { repository = "mehcode/config-rs" }
 
 [features]
-default = ["toml", "json", "yaml", "hjson","ini"]
+default = ["toml", "json", "yaml", "hjson", "ini"]
 json = ["serde_json"]
 yaml = ["yaml-rust"]
 hjson = ["serde-hjson"]
 ini = ["rust-ini"]
 
-
 [dependencies]
 lazy_static = "1.0"
-serde = "^1.0.8"
+serde = "1.0.8"
 nom = "4.0.0"
 
-toml = { version = "^0.4.1", optional = true }
-serde_json = { version = "^1.0.2", optional = true }
-yaml-rust = { version = "^0.4", optional = true }
-serde-hjson = { version = "^0.8.1", optional = true }
-rust-ini = { version = "^0.12", optional = true }
+toml = { version = "0.4.1", optional = true }
+serde_json = { version = "1.0.2", optional = true }
+yaml-rust = { version = "0.4", optional = true }
+serde-hjson = { version = "0.8.1", optional = true }
+rust-ini = { version = "0.12", optional = true }
 
 [dev-dependencies]
-serde_derive = "^1.0.8"
-float-cmp = "0.2.3"
+serde_derive = "1.0.8"
+float-cmp = "0.4"
 chrono = { version = "0.4", features = ["serde"] }