update cli docs and fix cli scripts with new syntax

remove.ce

@@ -16,8 +16,10 @@ var fd = use('fd')
 var target_pkg = null
 var prune = false
 var dry_run = false
+var i = 0
+var resolved = null
 
-for (var i = 0; i < length(args); i++) {
+for (i = 0; i < length(args); i++) {
   if (args[i] == '--prune') {
     prune = true
   } else if (args[i] == '--dry-run') {
@@ -43,7 +45,7 @@ if (!target_pkg) {
 
 // Resolve relative paths to absolute paths
 if (target_pkg == '.' || starts_with(target_pkg, './') || starts_with(target_pkg, '../') || fd.is_dir(target_pkg)) {
-  var resolved = fd.realpath(target_pkg)
+  resolved = fd.realpath(target_pkg)
   if (resolved) {
     target_pkg = resolved
   }
@@ -51,27 +53,31 @@ if (target_pkg == '.' || starts_with(target_pkg, './') || starts_with(target_pkg
 
 var packages_to_remove = [target_pkg]
 
+var lock = null
+var all_packages = null
+var needed = null
 if (prune) {
   // Find packages no longer needed
   // Get all dependencies of remaining packages
-  var lock = shop.load_lock()
-  var all_packages = shop.list_packages()
+  lock = shop.load_lock()
+  all_packages = shop.list_packages()
 
   // Build set of all needed packages (excluding target)
-  var needed = {}
+  needed = {}
   arrfor(all_packages, function(p) {
     if (p == target_pkg || p == 'core') return
 
     // Mark this package and its deps as needed
     needed[p] = true
-    try {
+    var _gather = function() {
       var deps = pkg.gather_dependencies(p)
       arrfor(deps, function(dep) {
         needed[dep] = true
       })
-    } catch (e) {
+    } disruption {
       // Skip if can't read deps
     }
+    _gather()
   })
 
   // Find packages that are NOT needed