A quick hack to convert R4 binary files to PGM P5 image format.
Features include:
	- Shell only interface
	- Linear, logarithmic and average conversion
	- Improved Gray Scale Quantization
	- Histogram Equalization
	- Flipping

Credits, flames, etc.. to
Stefano Agostinelli
IRC: arm
E-mail: agos001@pn.itnet.it

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                11992   19832  60.5% -lh5- c6be Jun 13  1995 Sao2Pgm/sao2pgm.000
[generic]                11202   17964  62.4% -lh5- 13cc Jun 13  1995 Sao2Pgm/sao2pgm.881
[generic]                 2016    4276  47.1% -lh5- 5f3e Jun 13  1995 Sao2Pgm/sao2pgm.doc
[generic]                11556   65536  17.6% -lh5- 1ae4 Jun 13  1995 Sao2Pgm/st.peter.bin
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         4 files   36766  107608  34.2%            Jun 14  1995