Pyvisa

------------------

- Renamed TypeError to VisaTypeError.
- Added InvalidBinaryFormat. Renamed TypeError to VisaTypeError.
- Added a lot of docstrings. Fixed bug with ValueError exception raising.
- Eliminated string exceptions. A little bit of code clean-up.
- Added old distutils inclusion for RPM that cause trouble with my setuptools
installation.
- Set default for term_chars to None and implemented it in write() method.
- Described new default for term_chars.
- Added instrument(). Fixed bugs in __repr()__.
- Improved documentation.
- Switched from distutils to setuptools.

------------------

- Changed package name to "PyVISA".
- visa_attributes.py: 0xFFFFFFFF -> 0xFFFFFFFFL.
- Switched from distutils to setuptools.

------------------

- Added filename selection for VISA DLL with Windows in vpp43.py.
- Added code to skip over header before binary data.
- Cleaned up whitespace.
- Added support for endianess in case of binary transfers.
- Improved binary reading; now it also accepts things like "267...".

------------------

- Changed default termination characters to "" for GPIB instruments. LF and CR
are completely stripped from the end of read string, no matter how the
termination characters are set.

------------------

- Added remaining keyword arguments for Instrument constructor. Added CR and LF.
Added working support for reading binary data.
- Added ask() and ask_for_values().
- Partially implemented binary reading.
- Split the old term_chars in term_chars, delay, and send_end.
- Implemented warning system for invalid keyword arguments. Added test for valid
float values in read_floats(). Added full term_char string in __get_term_char().
- Standard timeout increased from 2 to 5 seconds.
- read_floats() returns *always* a list.
- Moved trigger() method to Instrument class.
- Fixed bug in regular expression for termination characters.
- Fixed bug with ignored term_char attribute for GPIB instruments.
- Increased chunk_size's default value and added it to the keyword arguments of the constructor.

------------------

- Added properties resource_name and resource_class to ResourceTemplate. Used
both to simplify code.