[FIX] StringSet: fixed metafunction StringSetPosition<>
[NOP]
[FEATURE] StringSet: added Segment StringSet spec
[INTERNAL] StringSet: added Segment StringSet to the sequence header
[INTERNAL, API] Segment StringSet: added assertions, defined appendInfix()
[FEATURE] Segment StringSet: defined View<>, view()
[NOP] Index View
[INTERNAL] StringSet: moved common View and Device definitions
[INTERNAL] StringSet: moved common View and Device definitions
[INTERNAL] Multiple Finder: removed unnecessary overloads for TNeedle being String of String
[FIX] Segment StringSet: don’t clear host pointer
[FIX] Segment StringSet: fixed StringSetPosition<> for const Host
[FIX] Segment StringSet: fixed assignInfixWithLength()
[INTERNAL] Segment StringSet: overloaded _refreshStringSetLimits()
[INTERNAL] Segment StringSet: assignValue()
[INTERNAL] Segment StringSet: prepended SEQAN_HOST_DEVICE
[FIX] Fixing .gitattributes for tests for FASTA files.
[DOC] Added VcfStream::header dox docu.
[FIX] Fixing writing of comment header in SAM format.
[FIX] Fixing reading of first record after @CO header in SAM.

Before this patch, the readRecord() function skips the first record.