SVN commit 694856 by henrique:

 * Sync with upstream


 M  +19 -0     bk.h  
 M  +25 -26    bkAdd.c  
 M  +2 -2      bkAdd.h  
 M  +3 -1      bkError.c  
 M  +13 -9     bkError.h  
 M  +61 -21    bkExtract.c  
 M  +5 -4      bkExtract.h  
 M  +37 -0     bkGet.c  
 M  +2 -3      bkInternal.h  
 M  +1 -1      bkLink.c  
 M  +1 -1      bkLink.h  
 M  +4 -4      bkMangle.c  
 M  +33 -6     bkPath.c  
 M  +1 -0      bkPath.h  
 M  +13 -8     bkRead.c  
 M  +4 -4      bkRead.h  
 M  +64 -0     bkSet.c  
 M  +1 -0      bkSet.h  
 M  +76 -22    bkWrite.c