v1.4.10

• new RPC call "setspeech" to set the CLAMspeech string to be used for all transaction creation
• allow JSON objects like {"count":2,"amount":1.3} in createrawtransaction to create multiple identical outputs
• fix split-on-stake logic; it was creating 0-valued outputs before in some circumstances
• add -combinelimit configuration option to control output grouping at runtime
• allow decimal values to be specified for -maxstakevalue, -splitsize, -combinelimit