Initialize variables with an empty array.
Remove a useless import.
Fix the \Hoa\Iterator\Multiple behavior.
Format code. #mania
Avoid an infinite loop when there is no variable.
Use default value for pre/post in getChildren.
[auto] Merge from Praspel

    • #db9dc19 — Initialize variables with an empty array. (Ivan Enderlin, 2013-05-13)
    • #c4e3112 — Remove a useless import. (Ivan Enderlin, 2013-05-13)
    • #9be95cb — Fix the \Hoa\Iterator\Multiple behavior. (Ivan Enderlin, 2013-05-13)
    • #9bfb458 — Format code. #mania (Ivan Enderlin, 2013-05-13)
    • #c018171 — Avoid an infinite loop when there is no variable. (Ivan Enderlin, 2013-05-13)
    • #6462052 — Use default value for pre/post in getChildren. (Ivan Enderlin, 2013-05-13)

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Merge remote branch 'library-praspel/master'