Go to first record after reading metadata

Some dbf files have zero's after the metadata information, this makes sure the records are read from the correct position (as defined in the metadata)
Make sure BigDecimal doesn't try to parse spaces
added column type _NullFlags (for FoxPro databases)
added catching of NumericOverflow (for several databases), i.e. asterisk (*) characters
improved getting String (now its better trimmed from both sides)
added loading Integer value
added column type _NullFlags (for FoxPro databases)
added catching of NumericOverflow (for several databases), i.e. asterisk (*) characters
improved getting String (now its better trimmed from both sides)
added loading Integer value
reverted classpath
added building sources zip
added possibility to work with input stream (for server applications, when we do not have files)
improved reading InputStream to byte array, in case when we read not from file, but from a stream with unknown size
Merge pull request #2 from bugy/master

Minor improvements