Jonas Jansen modified ticket #423

Add character functions

Jonas Jansen committed [r631]

Ticket#423 resolved.

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Ticket #423

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Ticket #423: Added String functions

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Ticket #423:

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Ticket #423:

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Jonas Jansen modified ticket #403

If used in a string expression, index vectors seem to not work correctly

Jonas Jansen modified ticket #402

'valtostr()' cannot handle data sets

Jonas Jansen committed [r451]

Fixed issues #402 #403