Examples: Add env_logger

Makes debugging files a lot easier

Author: Serial-ATA

examples/tag_reader.rs

@@ -6,6 +6,8 @@ use lofty::probe::Probe;
 use std::path::Path;
 
 fn main() {
+	env_logger::init();
+
 	let path_str = std::env::args().nth(1).expect("ERROR: No path specified!");
 	let path = Path::new(&path_str);
 

examples/tag_stripper.rs

@@ -6,6 +6,8 @@ use lofty::probe::Probe;
 use std::io::Write;
 
 fn main() {
+	env_logger::init();
+
 	let path = std::env::args().nth(1).expect("ERROR: No path specified!");
 
 	let tagged_file = Probe::open(path.as_str())

examples/tag_writer.rs

@@ -29,6 +29,8 @@ struct Opt {
 }
 
 fn main() {
+	env_logger::init();
+
 	let opt = Opt::from_args();
 
 	let mut tagged_file = Probe::open(&opt.path)

lofty/Cargo.toml

@@ -38,6 +38,8 @@ features = ["derive"]
 optional = true
 
 [dev-dependencies]
+# For examples
+env_logger = "0.11.8"
 # WAV properties validity tests
 hound     = { git = "https://github.com/ruuda/hound.git", rev = "02e66effb33683dd6acb92df792683ee46ad6a59" }
 rusty-fork = "0.3.0"