Fix bitvec_num_words_for_bits for less than a word bits
file.[h/cpp]: Replace error codes with exceptions
fileio/fingerprints.h: Don't load file in constructur
TransposeTool: catch exceptions
fileio/fingerprints.h: remove debug output
Another fix for bitvec_num_words_for_bits for cases where the number of
bits modulo 64 is 0
Fix for InMemoryColumnMajorFingerprintStorage
* Find jsonrpc library
* Add substrucure tool
Merge branch 'master' of github.com:timvdm/Helium