Added a close() method to FastqReader (and using it)
Added error message if the command-line wasn't correct
refactor / junction to splicing, add category in ngsutils main class
massive rename - removed all ALLCAP acronyms/names (FASTQ,BAM,etc)
Added three new methods - BamCoverage, BamToFastq, FastqToBam
Added comment support converting to/from FASTQ/BAM files
Put compression level back in as an option.
Final updates to bam <=> fastq conversion programs