UnknownFunctionException.
UnknownFunctionException.
Minor fix.
Refactoring.
Merge pull request #67 from tonyhuang/errorcode

Added in UnknownFunctionException.
Change parser to throw PhoenixParserException for all RuntimeException.
Updated pom to use 1.1 version number
Fix for https://github.com/forcedotcom/phoenix/issues/57
Fix for https://github.com/forcedotcom/phoenix/issues/56
Fix for https://github.com/forcedotcom/phoenix/issues/42
Merge pull request #69 from tonyhuang/errorcode

Change parser to throw PhoenixParserException for all RuntimeException.
Minor rename