Peek shall not throw but return null
Parsing method signatures more robust
Renamed addin-namespace from SD to SDAddin to avoid conflicts with SD
Parse fields in VB6 modules

Please note as for the current state:
- Recognizing constant values is not implemented yet
- Initializing more than one variable in one go (by making use of the comma separator) is not supported yet or may have strange consequences
- The field parser in general is quite cheap, but should work for 80% of all common  declarations
Added batch file to ease building