fixed various issues by adding documentation
minor changes to documentation
merged
csamtools.py - allow setting sequence of length 0
issue 122 - removing distribute, adding getline method
merged changes
added Fastqfile
added AlignedRead.inferred_length
added ex1.fq
fixed tests for python3
release 0.7.6
tabix_util.c - added unistd include
tabix_util.h - added unistd include
added tests checking soft/hard-clipping
Merge remote-tracking branch: upstream/master