>> 1 -> GT_DIV2
GtUword cosmetics
change indexname if stdin is used for input

closes #368
add option to gt shredder to include more information

closes #369
Merge pull request #370 from Garonenur/stdin

Change indexname for input from stdin. Addresses  #368.
rename function
fix wrong strchr usage
typos, comment and help enhancement
Merge pull request #371 from Garonenur/shredder

add option to gt shredder to include more information
remove too strict assertion
Merge pull request #372 from satta/repr_fix

remove too strict assertion
simplify handling of CS/RF lines in HMMER output
Merge pull request #373 from satta/wolfe_ltrdebug

simplify handling of CS/RF lines in HMMER output