Areas which need work with seqproc

#todo

• Parse number as usize
• Validate bounds and variables for functions (decide if functions are padTO or padBY)
• Execute transformations, tie it to collect_fastq
• Execute stack
  • Propagate fixed size and ranged size to execute stack
• Store stack in the rev direction, insert and remove O(1)
• Force parse transformation if -> is present
• Handle ANTISEQUENCE errors
• Better error checking FGDL
• Map should take a sequence or label as a fallback
• Test order of functions

#todo ANTISEQUENCE functions to add:

• normalize
• pad
  • left and right
  • specify character
• trucate
  • left and right
  • specify character
• reverse
• reverse compliment
• map
• map with mismatch