Merge pull request #67 from TitouanT/c_args

fixed c args and added node lockfile to .gitignore

.gitignore

@@ -1,3 +1,4 @@
 api/api
+api/package-lock.json
 lxc/i
 lxc/lockfile

lxc/executors/c

@@ -1,5 +1,5 @@
 #!/usr/bin/bash
 
 cd /tmp/$2
-gcc -std=c11 -o binary -x c code.code
-timeout -s KILL 3 xargs -a args.args ./binary < stdin.stdin
+timeout -s KILL 10 gcc -std=c11 -o binary -x c code.code
+timeout -s KILL 3 xargs -a args.args -d '\n' ./binary < stdin.stdin