Replacing colon's in moonscript source

src/spm/spm.moon

@@ -75,8 +75,8 @@ getGithubPackages = (repo) ->
 --For sorting table values by alphabet
 compare = (a, b) ->
     for i = 1, math.min(#a, #b) 
-        if a:sub(i, i) ~= b:sub(i, i) 
-            return a:sub(i, i) < b:sub(i, i)
+        if a\sub(i, i) ~= b\sub(i, i)
+            return a\sub(i, i) < b\sub(i, i)
 
     return #a < #b
 
@@ -98,8 +98,8 @@ readFromFile = (path) ->
         io.stderr\write("Error while trying to read file at " .. path .. ": " .. msg)
         return
 
-    serializedTableData = file:read("*a")
-    file:close()
+    serializedTableData = file\read("*a")
+    file\close()
     return serial.unserialize(serializedTableData) or { -1 }
 
 readFromLocalInstallFile = ->
@@ -121,8 +121,8 @@ saveToInstalledPackagesFile = (installedPackages) ->
         return
 
     sPacks = serial.serialize(installedPackages)
-    file:write(sPacks)
-    file:close()
+    file\write(sPacks)
+    file\close()
 
 listPackages = (filter) ->
     filter = filter or false