some small things

rnex-core/Cargo.toml

@@ -13,7 +13,8 @@ v-byte-helpers = { git = "https://github.com/RusticMaple/VByteMacros", version =
 simplelog = "0.12.2"
 chrono = "0.4.39"
 log = "0.4.25"
-rand = "0.8.5"
+rand = "0.8.5
+"
 cfg-if = "1.0.4"
 hmac = "0.12.1"
 md-5 = "^0.10.6"
@@ -29,13 +30,17 @@ ureq = { version = "3.1.4", features = [ "json" ] }
 serde = { version = "1.0.228", features = [ "derive" ] }
 serde_json = "1.0.149"
 
+[dependencies.sqlx]
+version = "0.8.6"
+optional = true
+
 [dev-dependencies]
 # criterion = "0.7.0"
 
 [features]
 rmc_struct_header = []
 guest_login = []
-friends = ["guest_login"]
+friends = ["guest_login", "dep:sqlx"]
 big_pid = []
 v3-8-15 = ["rmc_struct_header"]
 v4-3-11 = ["v3-8-15"]